12 gauge raised top deck reduces bending and back strain. Lower deck is 12 gauge with 1-1/2' retaining lips and provides secure storage when traveling. Fixed height models have a top deck height of 26'. Adjustable height versions adjust from 25-1/2' to 35-1/2'. Removable push-bar handle extends 14' above deck. 2 rigid, 2 swivel casters with long-lasting 6' Polyurethane Casters; optional Mold-On Rubber Casters available. Made in the USA.