1.size:3/8"(10mm),1/2"(13mm),5/8"(16mm) 2.keyless,key type drill chuck 3.light,heavy duty 4.packing:color box,blister(2,3ps)

Suitable for: household, professional use of AC&DC and pneumatic tools.

Features:

1. Comfortable coat surface, easy to clamping, so that the output torque become larger.

2. The unique thrust bearing easy to handle the torque exerted into larger clamping force.

3. Beautiful and practical convex surface design, make and can effectively set with and can reduce the coat of shaking.

4. May be based on customer demand the color and design, manufacture to configure the different electric drill.

5. The metal sleeve or plastic available for client's choice.