The hand drill adopts a double gear transmission system, which operates smoothly and improves your work efficiency. High-quality steel manufactured with advanced technology for a long service life. Product quality is guaranteed. The chuck of the hand drill is adjustable, allowing you to adapt different sizes of drill bits. Can meet your different needs. Mainly used for disassembly and correction of deformation of clamping parts such as gears and bushings. Suitable for wood, bamboo, thin soft metals, plastics, PVC, acrylic, fiberboard, and circuit boards. Specifications: Material: Steel Weight: Approx. 683g~732g/24.1oz~25.8oz Chuck Size: 1/4" Clamping Range: 1/4: 0.6-6mm Packing List: 1 x Hand Drill 10 x Drill Bits 1 x Drill Wrench