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 for bench drills, for 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: Specifications:Material: metalMain color: silverCutting ability: no power spindleCutting depth: 10mm / 0.4inNo load speed: 10000RPMConnecting rod model: JTO, B10, B12, B16 Connecting rod diameter: 10mm / 0.4inTotal length of connecting rod:JTO: 106mm / 4.2inB10: 112mm / 4.4inB12: 114mm / 4.5inB16: 120mm / 4.7in 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 Includes:1 x Connecting Rod