Seven position bed height configuration for ultimate operator flexibility lateral head adjusters provide smooth side-to-side movement large liquid filled glycerin gauge accurately shows pressing force heavy duty cable winch system for effortless bed adjustment air pressure 110-120 psi this 50 ton super-duty shop press is built with welded construction for exceptional strength and durability. it includes a two piece press plate set and 10 piece pin and bearing press adaptor set. also, features a shatter resistant polycarbonate guard for added operator safety.