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