Threaded half-shell, complete set as replacement for built-in quick adjustment

Threaded half-shell, complete set as replacement for built-in quick adjustment in the system jaws
can be replaced by the user if required
1 set contains:
► 1 threaded half shell with 4 pre-assembled guide steel pins
► 1 lever handle (must be replaced for installation reasons)
► 2 springs(if the old springs are still present, keep as a spare)