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    • 3-1/2" 180 Silicon Carbide TwistFlex Cylinder Hone for 3.3"- 3.5" Bores

      3-1/2" 180 Silicon Carbide TwistFlex Cylinder Hone for 3.3"- 3.5" Bores

      3-1/2" 180 Silicon Carbide TwistFlex Cylinder Hone for 3.3"- 3.5" Bores

      Regular price $40.35 USD
      Regular price Sale price $40.35 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 3-1/2" 240SC Flexible Cylinder Honing & Deburring Tool, 3.5" Bore Brush for Hole Diameters 3.26"- 3.51", Silicon Carbide 240 Grit, 13.5" Length (1 Pack)

      Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 3-1/2" 240SC Flexible Cylinder Honing & Deburring Tool, 3.5" Bore Brush for Hole Diameters 3.26"- 3.51", Silicon Carbide 240 Grit, 13.5" Length (1 Pack)

      Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 3-1/2" 240SC Flexible Cylinder Honing & Deburring Tool, 3.5" Bore Brush for Hole Diameters 3.26"- 3.51", Silicon Carbide 240 Grit, 13.5" Length (1 Pack)

      Regular price $56.13 USD
      Regular price Sale price $56.13 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 3-1/2” 240SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 240 Grit

      Pro-Graad TwistFlex 3-1/2” 240SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 240 Grit

      Pro-Graad TwistFlex 3-1/2” 240SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 240 Grit

      Regular price $35.67 USD
      Regular price Sale price $35.67 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 3-3/4" 240SC Flexible Cylinder Honing & Deburring Tool, 3.75" Bore Brush for Hole Diameters 3.5"- 3.76", Silicon Carbide 240 Grit, 13.5" Length (1 Pack)

      Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 3-3/4" 240SC Flexible Cylinder Honing & Deburring Tool, 3.75" Bore Brush for Hole Diameters 3.5"- 3.76", Silicon Carbide 240 Grit, 13.5" Length (1 Pack)

      Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 3-3/4" 240SC Flexible Cylinder Honing & Deburring Tool, 3.75" Bore Brush for Hole Diameters 3.5"- 3.76", Silicon Carbide 240 Grit, 13.5" Length (1 Pack)

      Regular price $49.70 USD
      Regular price Sale price $49.70 USD
      Unit price /  per 
    • 1-1/4" 120 Grit Silicon Carbide TwistFlex Cylinder Hone, Fits 1.12"-1.25"

      1-1/4" 120 Grit Silicon Carbide TwistFlex Cylinder Hone, Fits 1.12"-1.25"

      1-1/4" 120 Grit Silicon Carbide TwistFlex Cylinder Hone, Fits 1.12"-1.25"

      Regular price $17.18 USD
      Regular price Sale price $17.18 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 3” 240SC Flexible Cylinder Honing & Deburring Tool | 3” (76.2mm) Bore Brush for Hole Diameters 2.8"- 3.02" | Silicon Carbide 240 Grit | 13.5" Length | 1 Pack

      Pro-Graad TwistFlex Cylinder Hone | 3” 240SC Flexible Cylinder Honing & Deburring Tool | 3” (76.2mm) Bore Brush for Hole Diameters 2.8"- 3.02" | Silicon Carbide 240 Grit | 13.5" Length | 1 Pack

      Pro-Graad TwistFlex Cylinder Hone | 3” 240SC Flexible Cylinder Honing & Deburring Tool | 3” (76.2mm) Bore Brush for Hole Diameters 2.8"- 3.02" | Silicon Carbide 240 Grit | 13.5" Length | 1 Pack

      Regular price $28.13 USD
      Regular price Sale price $28.13 USD
      Unit price /  per 
    • 2-3/4" 240 Grit Silicon Carbide TwistFlex Cylinder Hone, Fits 2.63"- 2.76"

      2-3/4" 240 Grit Silicon Carbide TwistFlex Cylinder Hone, Fits 2.63"- 2.76"

      2-3/4" 240 Grit Silicon Carbide TwistFlex Cylinder Hone, Fits 2.63"- 2.76"

      Regular price $32.61 USD
      Regular price Sale price $32.61 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 1-1/2” (38.1mm) 320SC Flexible Cylinder Honing & Deburring Tool | 1.5" Bore Brush for Hole Diameters 1.37” – 1.5” | Silicon Carbide 320 Grit (Pack of 1)

      Pro-Graad TwistFlex Cylinder Hone | 1-1/2” (38.1mm) 320SC Flexible Cylinder Honing & Deburring Tool | 1.5" Bore Brush for Hole Diameters 1.37” – 1.5” | Silicon Carbide 320 Grit (Pack of 1)

      Pro-Graad TwistFlex Cylinder Hone | 1-1/2” (38.1mm) 320SC Flexible Cylinder Honing & Deburring Tool | 1.5" Bore Brush for Hole Diameters 1.37” – 1.5” | Silicon Carbide 320 Grit (Pack of 1)

      Regular price $29.34 USD
      Regular price Sale price $29.34 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 4" 240SC Cylinder Hone | 4.00" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.80"- 4.02" | Silicon Carbide 240 Grit | 0.354" Shank | 13.5" Length

      Pro-Graad TwistFlex 4" 240SC Cylinder Hone | 4.00" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.80"- 4.02" | Silicon Carbide 240 Grit | 0.354" Shank | 13.5" Length

      Pro-Graad TwistFlex 4" 240SC Cylinder Hone | 4.00" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.80"- 4.02" | Silicon Carbide 240 Grit | 0.354" Shank | 13.5" Length

      Regular price $39.45 USD
      Regular price Sale price $39.45 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 5" 400SC Flexible Cylinder Honing & Deburring Tool, 5" Bore Brush for Hole Diameters 4.48"- 5.01", Silicon Carbide 400 Grit, 17.5" Length (1 Pack)

      Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 5" 400SC Flexible Cylinder Honing & Deburring Tool, 5" Bore Brush for Hole Diameters 4.48"- 5.01", Silicon Carbide 400 Grit, 17.5" Length (1 Pack)

      Pro-Graad TwistFlex Heavy Duty Cylinder Hone, 5" 400SC Flexible Cylinder Honing & Deburring Tool, 5" Bore Brush for Hole Diameters 4.48"- 5.01", Silicon Carbide 400 Grit, 17.5" Length (1 Pack)

      Regular price $97.07 USD
      Regular price Sale price $97.07 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 3-1/2" 240AO for Brake Cylinders, Valve Guides, Hydraulics, 3.5" Diameter for Hole Diameters 3.26"- 3.51" | Aluminum Oxide 240 Grit | 0.315" Shank | 13.5" Length

      Pro-Graad TwistFlex Cylinder Hone | 3-1/2" 240AO for Brake Cylinders, Valve Guides, Hydraulics, 3.5" Diameter for Hole Diameters 3.26"- 3.51" | Aluminum Oxide 240 Grit | 0.315" Shank | 13.5" Length

      Pro-Graad TwistFlex Cylinder Hone | 3-1/2" 240AO for Brake Cylinders, Valve Guides, Hydraulics, 3.5" Diameter for Hole Diameters 3.26"- 3.51" | Aluminum Oxide 240 Grit | 0.315" Shank | 13.5" Length

      Regular price $52.45 USD
      Regular price Sale price $52.45 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 3-1/2” 400SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 400 Grit

      Pro-Graad TwistFlex 3-1/2” 400SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 400 Grit

      Pro-Graad TwistFlex 3-1/2” 400SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 400 Grit

      Regular price $68.83 USD
      Regular price Sale price $68.83 USD
      Unit price /  per 
    • 4-1/4" 320 Grit Silicon Carbide HD TwistFlex Cylinder Hone, Fits 4"- 4.25"

      4-1/4" 320 Grit Silicon Carbide HD TwistFlex Cylinder Hone, Fits 4"- 4.25"

      4-1/4" 320 Grit Silicon Carbide HD TwistFlex Cylinder Hone, Fits 4"- 4.25"

      Regular price $119.82 USD
      Regular price Sale price $119.82 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 2" 240SC Flexible Cylinder Honing & Deburring Tool | 2" Bore Brush for Hole Diameters 1.87"- 2.02" | Silicon Carbide 240 Grit | 1/4" Shank | 8.66" Length

      Pro-Graad TwistFlex Cylinder Hone | 2" 240SC Flexible Cylinder Honing & Deburring Tool | 2" Bore Brush for Hole Diameters 1.87"- 2.02" | Silicon Carbide 240 Grit | 1/4" Shank | 8.66" Length

      Pro-Graad TwistFlex Cylinder Hone | 2" 240SC Flexible Cylinder Honing & Deburring Tool | 2" Bore Brush for Hole Diameters 1.87"- 2.02" | Silicon Carbide 240 Grit | 1/4" Shank | 8.66" Length

      Regular price $23.57 USD
      Regular price Sale price $23.57 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 3-1/2" 320AO for Brake Cylinders, Valve Guides, Hydraulics, 3.5" Diameter for Hole Diameters 3.26"- 3.51" | Aluminum Oxide 320 Grit | 0.315" Shank | 13.5" Length

      Pro-Graad TwistFlex Cylinder Hone | 3-1/2" 320AO for Brake Cylinders, Valve Guides, Hydraulics, 3.5" Diameter for Hole Diameters 3.26"- 3.51" | Aluminum Oxide 320 Grit | 0.315" Shank | 13.5" Length

      Pro-Graad TwistFlex Cylinder Hone | 3-1/2" 320AO for Brake Cylinders, Valve Guides, Hydraulics, 3.5" Diameter for Hole Diameters 3.26"- 3.51" | Aluminum Oxide 320 Grit | 0.315" Shank | 13.5" Length

      Regular price $62.43 USD
      Regular price Sale price $62.43 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 3-1/2” 240SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 240 Grit

      Pro-Graad TwistFlex 3-1/2” 240SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 240 Grit

      Pro-Graad TwistFlex 3-1/2” 240SC Cylinder Hone | 3.5” (89mm) Standard Duty Flexible Cylinder Honing & Deburring Tool for Hole Diameters 3.3” – 3.5” | Silicon Carbide 240 Grit

      Regular price $30.09 USD
      Regular price Sale price $30.09 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 4-1/8” 240SC Flexible Cylinder Honing & Deburring Tool | 4.125" Bore Brush for Hole Diameters 3.90” – 4.15” | Silicon Carbide 240 Grit 0.354" Shank 13-1/2" Length

      Pro-Graad TwistFlex Cylinder Hone | 4-1/8” 240SC Flexible Cylinder Honing & Deburring Tool | 4.125" Bore Brush for Hole Diameters 3.90” – 4.15” | Silicon Carbide 240 Grit 0.354" Shank 13-1/2" Length

      Pro-Graad TwistFlex Cylinder Hone | 4-1/8” 240SC Flexible Cylinder Honing & Deburring Tool | 4.125" Bore Brush for Hole Diameters 3.90” – 4.15” | Silicon Carbide 240 Grit 0.354" Shank 13-1/2" Length

      Regular price $41.19 USD
      Regular price Sale price $41.19 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 3-3/4”  240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Pro-Graad TwistFlex 3-3/4” 240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Pro-Graad TwistFlex 3-3/4” 240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Regular price $33.31 USD
      Regular price Sale price $33.31 USD
      Unit price /  per 
    • Pro-Graad TwistFlex Cylinder Hone | 2-1/4" 240SC Flexible Cylinder Honing & Deburring Tool | 2.25" Bore Brush for Hole Diameters 2.13"- 2.26" | Silicon Carbide 240 Grit | 1/4" Shank | 8.27" Length

      Pro-Graad TwistFlex Cylinder Hone | 2-1/4" 240SC Flexible Cylinder Honing & Deburring Tool | 2.25" Bore Brush for Hole Diameters 2.13"- 2.26" | Silicon Carbide 240 Grit | 1/4" Shank | 8.27" Length

      Pro-Graad TwistFlex Cylinder Hone | 2-1/4" 240SC Flexible Cylinder Honing & Deburring Tool | 2.25" Bore Brush for Hole Diameters 2.13"- 2.26" | Silicon Carbide 240 Grit | 1/4" Shank | 8.27" Length

      Regular price $21.86 USD
      Regular price Sale price $21.86 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 3-3/4”  240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Pro-Graad TwistFlex 3-3/4” 240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Pro-Graad TwistFlex 3-3/4” 240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Regular price $33.31 USD
      Regular price Sale price $33.31 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 15/16" 240SC Cylinder Hone, 0.9375” (23.8mm) Flexible Cylinder Honing & Deburring Tool for Hole Diameters 0.875"- 0.938“, 240 Grit Silicon Carbide, Pack of 1

      Pro-Graad TwistFlex 15/16" 240SC Cylinder Hone, 0.9375” (23.8mm) Flexible Cylinder Honing & Deburring Tool for Hole Diameters 0.875"- 0.938“, 240 Grit Silicon Carbide, Pack of 1

      Pro-Graad TwistFlex 15/16" 240SC Cylinder Hone, 0.9375” (23.8mm) Flexible Cylinder Honing & Deburring Tool for Hole Diameters 0.875"- 0.938“, 240 Grit Silicon Carbide, Pack of 1

      Regular price $15.52 USD
      Regular price Sale price $15.52 USD
      Unit price /  per 
    • Pro-Graad TwistFlex 3-3/4”  240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Pro-Graad TwistFlex 3-3/4” 240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Pro-Graad TwistFlex 3-3/4” 240SC Cylinder Hone | 3.75" Flexible Cylinder Honing & Deburring Tool | Bore Brush for Hole Diameters 3.50"- 3.77" | Silicon Carbide 240 Grit | 0.31" Shank | 13.5" Length

      Regular price $35.27 USD
      Regular price Sale price $35.27 USD
      Unit price /  per 
    • Cylinder Hone Review: Flex vs Rigid Performance

      Cylinder Hone Review: Flex vs Rigid Performance

      July 6, 2026
      Blog

      Cylinder Hone Review: Flex vs Rigid Performance

      July 6, 2026
      Blog
    • Three Best Cylinder Hones for Engine Rebuilds

      Three Best Cylinder Hones for Engine Rebuilds

      July 8, 2026
      Blog

      Three Best Cylinder Hones for Engine Rebuilds

      July 8, 2026
      Blog
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