Constructed of prime cold rolled steel and durable gray powder coat finish. 23-3/4" wide design allows unit to fit perfectly on the end of back-to-back 12" deep shelving and Fixed shelves are slotted to hold vertical dividers. Vertical dividers are removable allowing the creation of 6 to 36 openings. 1-1/4" high shelf fronts retain parts and provide areas to accommodate labels. Compartment bottoms are angled to make part removal easy. Keyhole slots in back panel allow wall mounting.