No. 2 Master Key by Master Lock
Features: Stock Master Key works with stock Master Lock Key System Nos. 2MK, 2NMK, 2KAMK, 2NKAMK, 2MKLF, 2NMKLF, 2KAMKLF, 2NKAMKLF, 2MKLJ, 2NMKLJ, 2KAMKLJ, 2NKAMKLJ, 2MKLN, 2KAMKLN, 2NMKLN & 2NKAMKLN 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).