Description Great part to DIY drill press, table grinder, table saws and so on. Features: The gasket is added between the slider and the synchronous wheel, isolating of 1mm to lock tightly. The rotation is smooth and without phase grinding, accuracy is good. No power spindle is precision machined by grinding machine with an accuracy of 0.005mm. Can DIY bench drills, bench mills, table saws, etc. Through the connecting rod, the shaft sleeve link is eliminated, and the drill clamp is installed directly, so the accuracy is higher. DIY installation process can improve your hands-on ability. Specifications: Material: Aluminium Alloy Main color: silver Inner Diameter Of Bearing:10mm(0.39) Size of Hole Slider:40*36mm(1.57*1.42) Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package list: 1 * 10mm Hole Slider (including 2 bearings)