Features Aluminum Alloy: The lathe handwheel is made of aviation aluminum alloy material, which has high hardness, rustproof and erosion resistance, and no deformation, can withstand long term use. Handwheel Application: This compact handwheel is suitable for use with lathes or sliding table guide rails,with high accuracy. Features 8mm inner diameter, convenient to install and replace. Clear Scales: This high accuracy handwheel has 200 arc scales, and each scale represents 0.1mm, 360 front scales, and each scale represents 5mm, providing accurate and reliable control. Compact Design: The lathe handwheel has a compact size and lightweight design, equipped with screws, easy to install and remove, and does not increase the burden of equipment after installation. Sandblasting Finish: The handwheel surface adopts sandblasting oxidation process, high temperature and erosion resistance. The engraved scales are clear and accurate, without fading. Spec: Item Type: Lathe Handwheel Inner Diameter: Approx. 8mm / 0.31in Handwheel Arc Scale: 200, each scale represents 0.1mm Handwheel Front Scale: 360, each scale represents 5mm How to Use: Use with lathe. packing list: 1 x Handwheel 2 x Screws Package List 1 x Handwheel 2 x Screws