Lockly DEADBOLT EDITION 7S - Section 1 - Product Highlights; 1.1 Product Features

1.1 To complete installation, you would need the following:
1.2 Prepare door and remove existing lock. If necessary, use provided
Installation Template to prepare door.
Phillips Screwdriver
Flathead Screwdriver
Ruler
1-⅜" (35mm)
to 2" (50mm)
1" (25mm)
2-⅜" (60mm)
or 2-¾" (70mm)
2-⅛" (54mm)
STEP 1. PREPARE DOOR FOR INSTALLATION