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 / 0.02inch Outer diameter: 28mm / 1.10inch Inner diameter: 8mm / 0.31inch Thickness: 8mm / 0.31inch size: 28x8x8mm / 1.10x0.31x0.31inch 1.5mm Linear Knurl Wheel Knurling pitch: 1.5mm / 0.06 inch Outer diameter: 28mm / 1.10 inch Inner diameter: 8mm / 0.31 inch Thickness: 8mm / 0.31 inch 2mm Linear Knurl Wheel Knurling pitch: 2mm / 0.08 inch Outer diameter: 28mm / 1.10 inch Innner diameter: 8mm / 0.31 inch Thickness: 8mm / 0.31 inch size: 28x8x8mm / 1.10x0.31x0.31 inch Application: To pressure patterns during the mechanical process to prevent slipping. colour:black Material:steel Package Contents: 1 * Single Wheel Straight Linear Knurling Tool 2 * 0.5mm Linear Knurl Wheel 2 * 1.5mm Linear Knurl Wheel 2 * 2mm Linear Knurl Wheel Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.