Description 【High Precision】: The high precision collet features higher compatibility and strong clamping force. It offers a wider clamping range (0.012-0.26 in) for clamping various grinding heads to achieve multiple uses 【Speed Adjustment】: It carries out infinite speed (0~26000 rpm ) by foot switch, which does not affect the hand carving work to give you more a comfortable user experience 【High Quality Materials】: This product is made of high quality aluminum alloy and stainless steel, which is strong, wear resistant, anti rust, and not easy to deform 【High Efficiency】: It uses a high quality pure copper motor, with strong power, good conductivity, low consumption, and low noise, providing better working performance and greatly improving your work efficiency 【Wide Application】: Our hanging flex shaft mill is suitable for repairing, drilling, grinding, polishing and cutting of glass, crystal, jade, wood, metal, bone, tooth, root and other sculpture, ceramics and industrial art