LockeyUSA Lock Accessories include the door lock extension kit, the digital remote FOB, the thin door kit, and the popular key override system that allows key access for any 2000 series lock. The key override system also comes in a small range of different finishes to choose from. Lockey offers the very popular GB2500 Gate Box for installing your Lockey locks as well. The GB2500 comes in steel or aluminum. These quality products are sure to help with any additional project needs for installing the lock.