Specifications:Material: Aluminium AlloyLength: 95mmColor: BlackChuck Clamping Range: 0.3-3.2mmHigh precision、 can clip 0.3 -3.2mm drill bit.Twist Drill Bits Material: High Speed Steel10pcs Twist Drill Bits Set(0.6/0.7/0.8/0.9/1.0/1.2/1.4/1.6/1.8/2.0mm)Features:-For aluminum hand drill hobby.-Mini wood hand drill chuck for jewelry tool micro twist bit.-Precise、 accurate and efficient.-Suitable for wood、 plastic、rubber、model and others material to drilling hole.-Do not fit steel、 iron、 stone、 such hard things.-Perfect for drilling wood、Jin Gang、linden、horn、amber、olive、 walnut、 plastic and other materials.Package included:1 x Hand Drill10 x twist drills