. OOTDTYComs: Two rollers oblique direction: one is positive and the other is negative. Comes with fine, medium and coarse diamond knurls. Mechanical metal process knob or other work on the appearance of the rolling pattern for anti-slip. Rigidity, wear resistance, damage resistance. Rust-proof, high processing efficiency. High strength and hardness. to use. It is used to process the surface pattern of the workpiece. Ideal for damaged linear knurl wheels. 0.5mm Diagonal Knurled Pulley:Knurling: 0.5mmNet Pulley Diameter: Approx. 26mmHole Diameter: Approx. 8mmHanawa Thickness: Approx. 8mm1mm Diagonal Knurled Pulley:Knurling: 1.0mmOuter Diameter of Knurled Pulley: Approx. 26mmHole Diameter: Approx. 8mmKnurled Pulley Thickness: Approx. 8mm2mm Diagonal Knurled Pulley:Knurling: 2.0mmKnurled Pulley Outer Diameter: Approx. 26mmHole Diameter: Approx. 8mmKnurled Pulley Thickness: Approx. 8mmNote: Please allow 1-3mm error with manual measurement. Make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1pc × Knurling6pcs × Knurling Wheels(Including 2pcs × 0.5mm, 2pcs × 1mm, 2pcs × 2mm)(Non-retail package)