Maximum weight per shelf 150kg, each tier. Maximum weight load 150kg x 5 tiers = 750kg. Size (H)150, (W)80.8, (D)30.8cm. Galvanised steel shelving unit with particle board shelves. Includes plastic floor protectors (8 pieces), short shelf supports (10 pieces), long shelf supports (10 pieces), leg angle section (8 pieces), bolt and nut (4 pieces) and particle board (5 pieces). Can be assembled either as 5 shelf upright unit or as a work-bench. Assembles easily without any nuts or bolts, whether assembly as a standard bench, 4 nuts and bolts are provided to connect the frames. Tools required (not supplied) rubber mallet or plastic hammer.