Description: Made up of steel high hardness and high strength having a long service life. This knurling tool is specifically designed for the lathe and is a perfect lathe tool. Wear- -proof practical easy to install and use. Helps reducing the load on the lathe spindle bearings and has high processing efficiency. Used for processing the work piece surface pattern. Perfect for personal and professional use. Specifications: Product name: Knurling Tool Material: Steel Wheel material: Gr15 Color: Black Size: As Below: Handle size: About 129 * 12.7 * 12.7mm / 5.1 * 0.5 * 0.5in Wheel size: About 19.2 * 9.5 * 6.35mm / 0.8 * 0.4 * 0.3in Tooth distance: About 1.2mm / 0.05in Package Included: 1 Pc x Knurling Tool Note: Transition: 1cm=10mm=0.39inch 1. Due to the light and screen difference the item s color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.