Check the listing for details. Dual Head Knurling Tool 2 Knurls For Lathe Holder Tools With 6PCS Knurl Wheel. Condition: New, Made in China. Listed at 27.62 USD. Product Description: ★The Twisting Direction Of The Two Rollers: One Is Positive And The Other Is Negative, It Has Fine, Medium And Thick Diamond Knots. ★Mechanical Craftsmanship Or Other Working Metal Knobs Have Non-Slip Patterns In Appearance. ★Rigidity, Wear Resistance, Demolition Resistance, Rust Prevention, High Processing Efficiency, High Strength And Hardness. ★Durable, Used To Process The Surface Pattern Of The Workpiece. ★It Is Very Suitable For Replacing Damaged Linear Wheels. The Package Includes: 1 X Knurling Tool 6 X Knurling Wheel Features: Material: Steel Knurling Wheel Diagram: Approx. 0.5mm, 1.0mm, 2.0mm 0.5mm Diagonal Linear Knurling Wheel: Knurling Pitch: 0.5mm Net Pulley Diameter: 25mm Aperture: About 10mm Flower Wheel Thickness: Approx. 8mm.