It can be used in electric drills or electric grinders. It can also be used as hanging grinding, cutting, drilling, polishing, engraving and so on. Features: It can reach previously inaccessible pipes and corners. Compact size, easy to operate, suitable for fine polishing, engraving and grinding. Light weight, suitable for long time operation. The length of the flexible shaft is about 1m, which expands the working range. Made of fine quality material, strong and pratical, not easy to rust. High concentricity of soft shaft, not easy to shake, stable operation and high safety. Specifications: Color: grey+gold+black Material: metal Clamping range: 0.3-3.6mm Package size: 230 * 200 * 25mm / 9.1 * 7.9 * 1.0in Package weight: 261g / 9.2ounce Packing List: 1 * Flexible Shaft 1 * Wrench