... ,25,30(IW-55,90,110,140) ton industrial-grade hydraulic Iron Worker featuring multiple functions, including: Punch, Angle Shear, Flat ... Bending and Pipe Notching! It comes standard with: quick-change coupling nut & sleeve, squaring arm with scale, electronic back gauge, ... rulers and stop is offered as standard equipment. Quick change coupling nut and sleeve makes for rapid replacement or changing of ...