Features Material: Made of Steel, Rigid, Wear-Resistant, And Tear-Resistant Strength. Anti-Rust, High Processing Efficiency Features: Two Roller Twill Directions: One Is Positive And The Other Is Negative. Equipped with Fine, Medium And Coarse Diamond Knurling to Meet The Needs of Different Cutting Patterns Size And Color: Black (Knurling) + Brown (Wheel); Total Size Is 25 X 8 Mm (Outer Diameter * Thickness); Knurling Wheel Pattern Is About 0.5mm, 1.0mm, 2.0mm. Application Scenario: It Is Very Suitable for Replacing Damaged Linear Rollers And Processing Surface Patterns. Package: Including 1pc Knurling Wheel And 6pcs Knurling Wheel Features: Two rollers twill direction: one is positive and the other one is negative. Comes with fine, medium,and coarse diamond knurls. The mechanical process metal knob or other work at the appearance of rolling pattern for anti-slip. Rigidity, wear resistance, anti-demolition damage strength. Anti-rust, high processing efficiency. High strength and hardness. Durable in use. Used for processing pattern on the surface of workpiece Ideal for replacing your damaged Linear Knurl wheel. Specification: Material: Steel Color: Black (Knurling) + Brown (Wheel) Knurling wheel figure: approx. 0.5mm, 1.0mm, 2.0mm Knurling wheel diameter: approx. 20mm 0.5mm Diagonal Linear Knurling Wheel Knurling pitch:0.5mm Net pulley diameter: approx.26mm Hole diameter:approx.10mm Knurled wheel thickness: approx.8mm 1mm Diagonal Linear Knurling Wheel Knurling pitch: 1.0mm Knurled wheel outer diameter: approx.26mm Hole diameter: approx.10mm Knurled wheel thickness: approx.8mm 2mm Diagonal Linear Knurling Wheel Knurling pitch: 2.0mm Knurled wheel outer diameter: approx. 26mm Hole diameter: approx. 10mm Knurled wheel thickness: approx. 8mm Total size: 25*8mm/1*0.3in (Outer Diameter * Thickness) Weight: Approx.545g/19.2oz Package list: 1 x Knurling 6 x Knurling Wheel   Package List