N 7529 This bi-fold closet door pivot and bracket repair kit includes components constructed of steel and plastic, and fits 7/16 diameter holes. These repair parts are used on bi-fold doors manufactured by Acme, Cox and many others. Use these components to replace damaged or missing hardware to restore a bi-fold closet door system to optimal performance. Used on doors 1 to 1-3/8 in. thick and up to 50 lbs. Two spring-loaded 3/8 in. diameter N-6545 top pivots, 7/16 in. metal base. For 1 in. 1-3/8 in. thick Acme or Cox bi-fold doors. One bi-fold door surface aligner, this item mounts to the back of the leading door to help align doors when closed. Installation Fasteners included with this kit