This chuck set contains 

1. Round jaws with Clamping range 74-128mm, Support range 89-152mm

2. Step jaws with Clamping range 3-67mm, Support range 34-142mm

3. Pin jaws with Clamping range 15-78mm, Support range 35-99mm

4. Wide jaws with Clamping range 130-180mm, Support range 145-209mm

5. Screw chuck

6. 3/4"X16TPI Adaptor

7. T handle allen key 

8. 2 PCS Lever wrench 

Packing size:36x22x20cm

N.W./G.W.:14.5/15.5KGS

QTY/CTN:4 PCS