The Durham cabinet with 192 durable polyethylene copolymer hook-on-bins is made of heavy duty, all welded, 14 gauge steel. There are full height, welded piano hinges for increased strength and rigidity of doors. 3 Point locking handle with 2 keys and lock rods. Double doors open at 180 degree for full access to product. Weight capacity of 650 pounds per door (evenly distributed). 192 Durable polyethylene copolymer hook-on-bins come in 5 different sizes, and hook into place, easily.