This lock will sometimes have FIX2025 or Yale stamped on the faceplate.
It will replace the FIX2150 or FIX2151 with some adjustment and certain models have specific hook positions.
These may be available as made to measure special order items.
Previous versions of this lock were supplied with wedgebolts.
Operation: Lift lever.
Latch reversal: Undo the 2 screws on side of lockcase nearest to the faceplate, remove the gearbox from the strip, twist the latch to reverse and then reconnect the case to the faceplate.