No. 27 Master Key by Master Lock
Features: Stock Master Key works with stock Master Lock Key System Nos. 27MK, 27NMK, 27KAMK, 27NKAMK, 27MKLH, 27NMKLH, 27KAMKLH & 21NKAMKLH locks.
Special Ordering: If you require any master key keyed to an existing key number or lock please leave a note in the Comments Box upon checkout (you can also immediately reply to the Confirmation E-mail with special order instructions).