JET 3-PT 3 Ton Plain Trolley Fits 4 In. to 8 In. Wide Beams

This JET? 3-PT， 3-Ton Heavy-Duty Manual Trolley helps you support and move heavy loads. It meets OSHA， ANSI/ASME B30.11 and B30.17 standards and supports up to 3 tons of weight. Attach your hoist to this Jet plain trolley， and you can roll your loads with the help of the beams on your job site. The unit's rollers adjust from a minimum of 4 inches wide to a maximum size of 8 inches so that they can fit on various types of beams without any extra components. Just use the on-board washers to create the fit you need. Guards protect the 3-ton trolley as it moves. Its steel frame does not bend or break under normal operating pressure， and a powder finish protects the frame from external impacts and corrosion.