Specification: Product name: Hand Drill Material: Aluminum alloy Color: Silver Size: (Approx. )89*14mm TypeA:Chuck clamping range: 0.3-3.2mm Type B:Chuck clamping range: 0.3-3.2mm Suitable for: drilling wood, plastic, rubber, models and other materials. Quantity: 5pcs Features: *Hobby used for aluminum hand drills. *Small wood hand drill chuck is suitable for jewelry tools. *Precise, accurate and efficient. *Suitable for drilling wood, plastic, rubber, models and other materials. *Don't install hard things like steel or stone. *Suitable for drilling wood, diamond, linden, horn, amber, olive, walnut, plastic and other materials. Package Included: 5 × Hand Drill Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.