Trade Access Panels Universal T Key. 8mm Square Drive Opener Tool, Budget Key for Loft Hatch, Gas Box Key, Cabinet Lock, Access Panel. Spare Replacement Tee Key- Steel Metal.Brand: Trade Access Panels Color: Silver Features: 8MM BUDGET KEY: The Trade Access Panels Universal Steel Key is a spare replacement utility part that can be used for a wide range of locks. The square drive metal 'T' Key is used for opening access for all budget lock locking mechanisms, with a tapered end ensuring a secure fit with your budget key lock. UNIVERSAL: The metal t bar key is an essential multi use tool to have, the possibilities of uses