Description:This semi-automatic hand drill can be punched in plastic, wood and other materials, suitable for manual use, such as furniture repair, electrical maintenance lights. Miniature manual micro hand drill chuck for easy removal and replacement of twist drills. Before the drilling, it is necessary to mark the punching position, and then punch the hole. When punching, the palm grips the handle, and the upper and lower reciprocating pressing action can punch the required hole. Please pay attention to safety during work. This tool is not suitable for children under 10 years old.Product specifications:Material: aluminum alloyChuck clamping range: 0.8-3.5 mmTip: Manual twist drills are not suitable for agate metal hard materials such as high carbon steel.Package Included:1 p c hand drill chuck drill tool10 p c s 1.0 mm-3.0 mm high speed steel twist drill * Hand tools Type : Hand Drills * Brand : Other