Features: Two rollers tighten the direction: one is positive and the other is negative. Comes with fine, medium and coarse diamond knurls. The metal knob for mechanical processing or other work to get the appearance of rolling patterns for anti-slip. Rigidity, wear resistance, resistance to tearing damage. Anti-rust, high processing efficiency. High strength and hardness. Durable in use. Used to process the pattern on the surface of the workpiece. Perfect for replacing your damaged linear knurling wheel. Specification: Material: Steel Color: Black (knurling) + Brown (wheel) Knurling wheel number: approx. 0.5 mm, 1.0 mm, 2.0 mm Knurling wheel diameter: approx. 20 mm 0.5 mm diagonal linear knurling wheel Knurling pitch: 0.5 mm Pulley net diameter: approx. 26 mm Hole diameter: approx. 10 mm Knurling wheel thickness: approx. 8 mm 1 mm diagonal linear knurling wheel Knurling pitch: 1.0 mm Knurling wheel outer diameter: approx. 26 mm Hole diameter: approx. 10 mm Knurling wheel thickness: approx. 8 mm 2 mm diagonal linear knurling wheel Knurling pitch: 2.0 mm Knurling wheel outer diameter: approx. 26 mm Hole diameter: approx. 10 mm Knurling wheel thickness: approx. 8 mm Total size: 25 * 8 mm / 1 * 0.3 inches (outer diameter * thickness) Weight: Approx. 545g / 19.2oz Package list: 1 x Knurling tool 6 x Knurling wheels