The rim lock from the ISEO R6 series are a good alternative to other reversible key systems. The quality is quite good and the price is low for a dimple key system.
You can get the ISEO R6 lock in the following versions:
Double profile cylinder ISEO R6 (8899)
Double profile cylinder with knob ISEO R6
Half cylinder ISEO R6 (8809)
Rim lock ISEO R6 hole space 15mm
The ISEO R6 rim locks main features:
Ø 40 mm
Hole space 15 mm inkl. Befestigungscshrauben und Montageplatte
6 pin
Drill protection
Brass-frosted nickel plated
Delivery contains 3 ISEO R6 dimple keys
Delivery contains a screw
Delivery contains mounting plate
All ISEO R6 products are availabel as different locking and keyed alike