Giesse Gear 856-10021 Data Safe Black Plated Solid Brass Core

Black Plated Solid Brass Core and Hardened Boron Alloy Steel Shackle

Usually 2 or more per door

C4 keyway (standard 5-pin)

and roundbolt position all of which are listed in the work sheet above  If all your measurements are the same as above this it the gear you need

Giesse Gear 856-10021 Data Safe Black Plated Solid Brass CoreGiesse multipoint gear box only. Backset: 35mm (1. 38). Cylinder To Handle distance: 85mm. To Change Handing: Push in Spring latch, Unlocked Position Insert screw driver in round hole on back of lock case and push latch out. Pull latch out and Rotate Push spring latch back into lock case Test lock operation before installing Giesse Mortise Lock 35mm for Balcony Door B. 35