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Backset: 30mm

Case Depth: 55mm

Bolt Throw: 10mm
Case Height: 95.5mm

Centre to Centre: 55.5mm


Faceplate: 153x22mm

Striker: 120x26.5mm

Tongue: Reversible


Keys Included: 2


Keying for Multiple Quantities: Keyed Alike or Keyed to Differ (assumed Keyed Alike by default)


Screws: Included



  • Case: Galvanneal
  • Pins: Brass
  • Bolts: Brass
  • Kits: Brass
  • Levers: 5 Brass Open Ended Pick Resisting
  • Differs: Approximately 320
  • Key Blank: No. 747


Brand: Jacksons Locks


Made in Tasmania, Australia


For rebated double doors you will need to purchase the rebated variant of this lock rather than this one for single & non-rebated double doors, click here (JM25R) to view this item.

Jacksons JM25 - High Security Narrow 5 Lever Mortice Lock B30mm

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