Do it Best Corp. imprinted corner protectors are made from several piles of paperboard that are glued, treated, and formed into a rigid right angle. They also serve to protect edges of pallet loads and add stacking strength to packages. The corner protectors are used to reinforce packages both externally and internally. They are also used for unitizing and stabilizing pallet loads. 2-1/2" in length and are boxed and sold per 1000 pieces.