1Powerful, can be used for engraving, polishing, drilling and cutting, you can enjoy the fun of DIY. 2Made of all metal material, strong power, durable, corrosionresistant, and durable. 3The clamping range is between 0.53.2mm / 0.020.12in, with allmetal precision chucks, precise and durable, high concentricity, and stable speed. 4The body adopts an allmetal shell, which is resistant to fall, wear and color, beautiful and practical, moderate in thickness, flexible and changeable with onehanded operation, and comfortable in hand. 5Can be used for carving and polishing antiques to meet various functional requirements.