No. 315 Master Key by Master Lock
Features: Stock Master Key works with stock Master Lock Key System Nos. 315MK, 315NMK, 315KAMK, 315NKAMK, 315MKLF, 315NMKLF, 315KAMKLF, 315NKAMKLF, 315MKLH, 315NMKLH, 315KAMKLH & 315NKAMKLH 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).