5 Pcs of Copper Drill Chuck Collet : 0.5mm, 1.0mm, 1.5mm, 2.5mm,3.0mm

1 Pc Copper Cap

1 Pc Allen wrench

1 Pc Central Shaft

10 Pcs of Copper Drill Chuck Collet: 0.5mm,0.8mm,1.0mm,1.2mm,1.5mm                                                                                              1.8mm,2.0mm,2.4mm,3.0mm,3.2mm

1 Pc Copper Cap 

1.Three - jaw head design, grips extra-fine bits tightly with good performance, also holds many rotary tool accessories well.

2.Keyless chuck finger-tightens for easy bit changes - no chuck key needed.

3.Available in electric grinder, nail machine, engraving machine.

4.Unique torque thrust bearing is easy to handle applied translate into greater clamping force.

5.Both sets are all available,and can also be customized.