Features and Benefits:6” throatlets you get deep into the middle of metal sheets.Adjustable forming depth and pressureallows you to shape your material just the way you want to.Comes standard with2 sets of quick-change jaws, one for shrinking and one for stretching.Rounded jawskeep marring to a minimum(unlike square jaws). You wont have to spend as much time finishing a part afterwards.This shrinker stretcher accepts an optional jaw set for aluminum to avoid marks in the soft material.The most popular kind of H-frame press in fabrication and machine shops is the50-ton upright. You wont find a higher quality 50-tonpneumatic shop pressthan Baileighs Air/Hand Operated H-Frame Press HSP-50A.