The HandiWall Sports Accessory Kit with New Locking Bracket Hooks is a great way to store and organize bikes, tennis racquets, and more sporting goods on Slatwall Panels. Includes 1 HandiWall 6″ J Hook with Locking Bracket, 1 HandiWall 4″ Double Hook with Locking Bracket, 3 HandiWall 8″ Double Hooks with Locking Brackets, 1 HandiWall Tennis Accessory Holder, 1 HandiWall Large Mesh Basket, 1 HandiWall Horizontal Bike Rack, and 1 HandiWall 8″ x 12″ Basket. When installing the hooks with locking brackets, the lock engages automatically. Once seated into the slot of the slatwall panels, the lock closes and holds the hook in place. To remove it, simply press down on the spring-loaded lock. Fits HandiWall, StoreWall and most standard 3″ on center slatwall panels, in which the slots go straight in and straight up. Does not fit Crownwall, Proslat, Flowwall, Gladiator Gearwall, Rubbermaid or metal insert panels.