GIBBONS B4 56 1959 857 K478 PRECUT MORTICE KEY

The Gibbons 56 B4 pre-cut mortice key commonly referred to by locksmiths under the B4 profile for Gibbons 2-lever mortice locks.

Gibbons 900 series is a 6.5 gauge, 2-lever pre-cut key that is ready to use without requiring additional cutting.

Lock Compatibility:
Suits Gibbons 2-lever mortice locks often found on internal doors, older properties, or lockers.