Product Name : Cast iron square handwheel Surface treatment : chrome plated Material : cast iron Product use : mainly used for CNC machine tools. Vertical machining centres, horizontal machining centres, gantry machining centres and other CNC equipment Product specifications : complete specifications, details can be consulted online customer service How does the handwheel handle fit? 1Outside diameter 80 without handle hole 2Outside diameter 100/125 with M8 handle. All with M10 handle. 80 x 10 x 3mm. 100 x 12 x 4mm. 125 x 12 x 4mm. 125 x 14 x 5mm. 160 x 16 x 5mm. 200 x 18 x 6mm. 200 x 20 x 6mm. 250 x 22 x 6mm. 320 x 25 x 8mm. 400 x 28 x 8mm. 1 Due to the lighting effects and shooting angles, there is color difference in the product, please understand. 2 Due to manual measurement, there is a tolerance in the product size.