Rigidity, wear resistance, anti-demolition damage strength, long service life.Anti-rust resistant, high strength cutter, cutting sharp, high processing efficiency.The Knurled Tool is ideal for replacing your damaged Linear Knurl Tool.0.5mm Linear Knurl Wheel Knurling pitch: 0.5mm / 0.02inchOuter diameter: 28mm / 1.10inchInner diameter: 8mm / 0.31inchThickness: 8mm / 0.31inch size: 28x8x8mm / 1.10x0.31x0.31inch1.5mm Linear Knurl WheelKnurling pitch: 1.5mm / 0.06 inchOuter diameter: 28mm / 1.10 inchInner diameter: 8mm / 0.31 inchThickness: 8mm / 0.31 inch2mm Linear Knurl WheelKnurling pitch: 2mm / 0.08 inchOuter diameter: 28mm / 1.10 inchInnner diameter: 8mm / 0.31 inchThickness: 8mm / 0.31 inch size: 28x8x8mm / 1.10x0.31x0.31 inchApplication:To pressure patterns during the mechanical process to prevent slipping.colour:blackMaterial:steelPackage Contents:1 * Single Wheel Straight Linear Knurling Tool2 * 0.5mm Linear Knurl Wheel2 * 1.5mm Linear Knurl Wheel2 * 2mm Linear Knurl WheelOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.