34BB1, ONL, NN, XX, TK20, TK200 & ZY Restricted key cutting – ZY001 – ZY300 keys

Description

Lock and Key branded restricted keys have a special code engraved on the head with the pre-fix letters ’34BB1, TK, ONL’ ‘NN’ or XX or ZY followed by some numbers. If you are ordering restricted keys you must ensure the system owner emails us approving the keys to be cut. Please send the email to: info@lockandkey.co.uk