Widely UsedThis flexible shaft It has a wide range of applications and meets or exceeds original factory specifications, it can be directly replaced to meet your various needs. Suitable for engraving, carving, polishing, sanding, cleaning. Professional ToolsThis flexible shaft It has high precision and sensitivity, universal part, as long as your electric grinder and electric drill can fit 3.175mm diameter collet. It is compatible with electric grinder or electric drill (the shaft without the machine). High Quality MaterialsThis Dremel flexible shaft is made from Sebic conduit material made of high quality stainless steel. High strength, corrosion resistant for maximum durability. The surface is smooth. Manufactured under strict quality control standards, the improved design can extend the service life. Easy to use Installing the flexible extension on the grinder is more flexible to use , convenient like holding a pen. Easy to install, just connect the connector handle to the grinder, easy to use.