All parts of the metal frame are manufactured from electrogalvanised steel sheet. Two layers of furnace-baked epoxy paint. Stratified top, thickness of 40mm. Adjustable height: 700 ~ 960mm (top included) System with sliding foot components, adjustable continuously, tightened by screwsand bolts. Each foot can be adjusted separately (if the floor is not completely flat). The strength of these adjustable benches is equal to standard benches. A PVC protective pad is placed underneath each foot.Maximum load 1000kg uniformly distributed.