Tubular steel and steel section construction, powder coated. Shelves with welded wire lattice 140 x 40 mm. Carriers variably insertable within a distance of 120 mm. Due to the joint-like attachment, the carriers adapt automatically to the tyre size. 2 swivel and 2 fixed-wheel castors, TPE tyres, hubs with groove ball roller bearings. Swivel castors with wheel locks.