Easily install your new garage door opener by using this Performax™ garage door opener hanging kit. The adjustable heavy-duty steel kit mounts your garage door opener head unit securely to the inside of your garage. The universal design works with any brand of garage door opener. This kit includes one 26-inch ceiling mounting piece, two 19-1/2-inch vertical hanging pieces, one 13-1/2-inch cross and stabilizer piece, one 20-inch garage door opener reinforcement bracket for the garage door, one package of nuts and bolts, and an easy-to-follow owner's manual