This chuck set contains 

1. Round jaws with Clamping range 45-66mm, Support range 54-80mm

2. Step jaws with Clamping range 13-37mm, Support range 30-66mm

3. Pin jaws with Support range 28-53mm

4. Wide jaws with Clamping range 82.5-102mm, Support range 92.5-118mm

5. Screw chuck

6. 3/4"X16TPI Adaptor

7. T handle allen key 

8. 2 PCS Lever wrench 

Packing size: 49x19x14cm

N.W./G.W.:13.2/16.2KGS

QTY/CTN:4 PCS