All durable steel construction in black powder paint finish. Choose different height and size for viewers convenience and equipment need. WBCAB44E/48E/54E equipped with 5 in. swivel casters (two with lock). WBC4436E/WBC4440E equipped 5 in. swivel plate casters (two with lock). Locked cabinet to secure valuable equipment. Come with UL listed/CSA approved 25 ft. cord 4 outlets power strip with surge protector and cord winder.