Self assembly required.Uprights made of 50 x 30 x 1.5mm C profile.Tubular steel shelves made out of one piece welded tube, 35 x 20mm.4 Shelves adjustable at 62.5mm intervals.Shelf capacity 500kg max. or 350kg (1510mm width) .Bay capacity 2000kg max.Finish - Grey (RAL 7024) .Metal feet. Extra shelves (steel only) available separately.Chipboard covers (which enable small items to be stored) sold separately.