The JM29R Deadbolt Provides a high level of security. They can be keyed alike to the 5 lever range of mortice locks. For rebated double doors.
 
Backset: 60mm
Keys included: 2
Keyed alike or random keyed (assumed keyed alike for multiple quantities).
 
MATERIALS
Case: Galvanneal
Bolts: Brass
Curtain: Restricts access to the Lock
Levers: 5, Pick Resisting, Brass
Differs: Approximately 1000
Key Blanks: No. 747
Kits: Brass or Stainless Steel
 
Made in Tasmania, Australia