Yale Assure Lock 2 Touch Manual page 7

Marking Template for 2-1/8" (54mm) Face Bore
1-3/4" (44.5mm)
C
Door Thickness
Center of
1" (25mm)
Edge Bore
I
Center of
1" (25mm)
Edge Bore
1-3/8" (35mm)
B
Door Thickness
2-3/4" (70mm)
F
Backset
Centerline
2-3/8" (60mm)
E
Backset
P/N YRD450-KF-F Rev A
Center of
2-1/8" (54mm)
Face Bore
H
Center of
2-1/8" (54mm)
Face Bore
7