Steel body, sliding sleeve for clamping workpieces, and release for releasing

Replaceable secondary jaws for different workpieces support machining of various

irregular holes. Four corners are fixed to the worktable; one worktable can accommodate

multiple fixed chucks. Forced unloading design for the chucks. Dustproof, waterproof, and

fluid-resistant. Suitable for various drilling and milling worktables (CNC machining centers)

and a top choice for welding equipment