Shelf Back Panel Kit 36"L X 15"HIs your gear falling behind your shelving unit? Westcan Manufacturing has designed shelf backs that can be added to all or one shelf as you see fit. Combined with a shelf blocker and a locking door front, you can create a lockable compartment in any length of shelf. Its manufactured using aluminum and includes all necessary hardware. Depending on level of trim on your vehicle, modifications may be required. OEM Numbers 33 1536 Specifications Length: