Specifications:  Material: Engineering Plastic + Carbon Steel;  Color:Black;  Size:  Length: 175mm/6.88inch;  Diameter of head: 22mm/0.87inch;  Diameter of handle: 33mm/1.29inch(Approx);  Diameter of chuck: 6mm/0.24inch;  Clamping range: 0.6mm-6mm/0.024inch-0.24inch;  Standard drill specifications: 1.5/2.0/3.0/4.0/5.0     Features:  1.P recision three-jaw drill chuck with key, reliable and stable clamping, can clamp 0.5-6MM drill bit, solve the shortcomings of the g eneral hand drill can only clamp 3MM or less;  2.The handle is hollow with a cap for easy storage of fine drill bits;  3.Handle design accord with human body engineering Use comfortable;  4.Pure material ABS injection handle, high strength, direct injection molding with screws.     Instructions for use:  1. Not applicable to all metal drilling;  2. After all, it is a hand-turning rotation, no speed, no power, and the stability of the hand is also poor, it will sway left and right, so Drilling efficiency is very low and tired, not suitable for batch drilling;  3.The drill bit below 2mm is very thin. When clamping, pay attention to the center of the three claws. Please pay attention to the strength when drilling and try to avoid hand shaking, otherwise it is easy to break the drill bit.     Precautions:  1. Not suitable for hard materials such as agate jade, metal, steel plate;  2. Wear protective gear when using to prevent accidents;  3. Please keep the direction of force always vertical and rotate evenly, otherwise it will easily break the drill bit;  4. After use, please remove the drill and store it.     Packaged Included:  5 x Drill Bit(1.5mm-5.0mm/0.06inch-0.20inch);  1 x Hand Drill;  1 x Lock key