The CWI 20" Gripper Style Welding Chuck grips pipe and fittings from 1"- 20". By removing the quick release pins, a simple one turn adjustment is all that is needed to change from a small pipe to a larger one.

The CWI 24" Quick Setup Welding Chuck gripps pipe and fittings from 1 1/2"- 31". By simply removing the set pin the jaws can be adjusted to allow one turn on the chucks adjustment screw!