minimum deform stripper assembly Minimum deform stripper assembly to give minimum deformation while punching close pitch holes in flat bar. large hole attachment Large hole/slot attachment for diameters from 38 up to 110mm. Also available for diameters up to 160 or 225mm. quick tool change Quick change punch holder. Only needs to turn the punch holder by 90º to lock in position. sheet bending unit Sheet bending unit with multi-vee block (with 10,20,24 & 40mm wide V-openings, all 85º). large corner notch attachment bar bending unit For bending material up to max. 22mm thickness. With single-vee block, 76mm with V at 85º. channel/beam web bolster Specially designed web bolster for punching in the web of channel or beam. Bolster for special profiles available on application. louvre punch unit Special punch unit for punching ventilation applications tube notch unit For 90º connection with tubes. Available for outside diameters up to 165mm. twin hole unit Twin hole variable pitch unit. Punchers 2 holes up to 29mm dia. web/flange bolster unit For punching 50 to 100 UPN/channel with holes to max. 19mm dia.