ITEM NAME:Steel Knurling Knurling Tool Wheels Linear Knurling Kit Pitch 0.5 Description: Made of Steel, durable in use. High strength and hardness. Anti-rust resistant, high processing efficiency. Rigidity, wear resistance, anti-demolition damage strength. Knurling Tool is great for replacing your damaged Linear Knurl Tool. Specification: Material: steel Knurling wheel figure: approx. 0.5mm, 1.0mm, 2.0mm Knurling Wheel Diameter: approx. 20mm / 0.79 " Pulley net diameter: approx. 26mm / 1.02 " Hole diameter: approx. 10mm / 0.39 " Hanawa thickness: approx. 8mm / 0.31 " Package Includes: 1 Piece Knurling Tool 6 Pieces Knurled Wheels Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience! SKU: DMO0013467073020506.0.5mm, 1.0mm, 2.0mm. 20mm / 0.79 ". 1 Piece Knurling Tool. 10mm / 0.39 ". 6 Pieces Knurled Wheels. Made of Steel, durable in use. Material: steel. Anti-rust resistant, high processing efficiency.