warehouse racking with beautiful appearance, easy to assemble steel plate to 55mm pitch up and down arbitrarily adjustable.warehouse racking can be connected to the light shelves to increase the overall stability of the shelf.Light duty warehouse racking, also known as lightweight shelves, angle steel shelf, purpose angle steel shelf, with quality cold plate (SPCC) and Q235 steel made??.warehouse racking angle code, special bolt combination of the steel plate and universal angle profiles.