MLM Key Type B1 [SK: L-40] 4000 to 4105

Original MLM LEHMANN reversible key type B1 in keying 4000.
Keying 4000 is part of locking group [SK : L-40].
Original manufacturer’s key keyed 4000.

In addition to the reversible key type B1 (standard key) our range also includes the following alternative in [SK: L-80]:
Type B5 Bar channel key &
Type C5 Flexy bar channel key.

At MLM LEHMANN, keys and cylinders are numbered – Locking group from number 4000 to number 4105 → identifiable in our system as [LG: L-40],
Locking group from number 6001 to number 6500 → identifiable in our system as [LG: L-60],
Locking group from number 7001 to number 7500 → identifiable in our system as [LG: L-70],
Locking group from number 7501 to number 8000 → identifiable in our system as [LG: L-75],
Locking group from number 18001 to number 18500 → identifiable in our system as [LG: L-80],
Locking group from number 18501 to number 19000 → identifiable in our system as [LG: L-85],