Stainless Steel Welded Construction with 25mm Diameter, 1.2mm Thick Tubular Frame. Each tray storage level features a 10mm sound-proofed recess to prevent trays sliding off. Arched Pull Handles. Castors made of non-marking rubber and polyamide covers. Maximum Load per storage level is 50Kg. Tray Size 800mm x 530mm. Space Between Trays 260mm.