G-U / Ferco 40/40 Profile 360 degree cylinder for 2-1/4" (57mm) thick doors with multipoint locks
This cylinder is for doors with the Multipoint lock centered in Door
Used with the Key operated and other applications requiring a Euro Profile cylinder.

Call Size: 40/40
Overall Cylinder length: 3-1/8 inch (80mm) 3.149
Measurements: 1-9/16 inch x 1-9/16 inch (40mm x 40mm) 1.57 x 1.57
Thumb-turn: Crescent Shape
Finish: Satin Nickel

Note on Cylinder Length:
To determine the length of profile cylinder needed for your door
1. Measure door thickness
2. Measure thickness of Exterior Trim Plate
3. Measure thickness of Interior Trim Plate
4. Add together the dimensions, this is the minimum length to be flush with trim plates
A longer cylinder is better that being short.