Features: Brand new and high quality Achieve precise drilling with this chuck set, designed for micro drill ranging from 4mm. Crafted from steel, this durable chuck set ensures long lasting use without any compromise on quality. Suitable for DIY enthusiasts, craftsmen, and jewelry designers seeking accurate drilling. Versatile and adaptable, this chuck set can be used in woodworking, metalworking, jewelry making, and various other creative projects. Unleash your creativity and explore a wide ranges of drilling needs with this comprehensive chuck set. Specifications: Material: Steel Clamp: 36.5x21.5mm Clamp wrench: 57mm Small L wrench: 44x15mm Package Includes: 1Set 0.3-4mm Micro Electric Drill Chuck note: Due to the screen setting difference, the item's color may slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.