No. 6127 Master Key by Master Lock
Features: Stock Master Key works with stock Master Lock Key System Nos. 6127MK, 6127NMK, 6127KAMK, 6127NKAMK, 6127MKLH, 6127NMKLH, 6127KAMKLH, 6127NKAMKLH, 6127MKLJ, 6127NMKLJ, 6127KAMKLJ & 6127NKAMKLJ 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).