2 keys where applicable. T Handle. DieCast Zinc handle with matt black powder coating Half a turn of the handle latches the door and pulls it up tight applying a consistent pressure to compress gasketing etc. Applies up to 6.4mm to pull up to compress EMI or RFI type gasketing material RS Part no ; 245-5654 245-5654 and ; 340-2229 340-2229 are keyed alike ; 245-5503 245-5503 and ; 340-2178 340-2178 are T-Handle non-Locking