Medium Duty Racking A Materials: SS400 or Q235 Specifications and Applications Cut-in composite structure, standard cut-in units Easy assembly and disassembly without using a single bolt Layers are made of spcc; height of each beam is easy to adjust freely by a pitch of 50 mm Medium duty shelves are available in any color, although black is standard Keywords: Pallet Racking,Medium Duty Racking Systems,Medium Duty Racks,Medium Duty Shelving