Features anf Functions:

• Designed to retrofit in seconds - save time on the job and avoid costly mistakes.
• For use on wood and metal doors - any thickness.
• Latch marks give you immediate jig placement.
• No time wasting clamping, screwing or measuring adjustments needed.
• Change existing backset from 60 mm to 70 mm.
• Enlarge existing holes - tiebolt to cylindrical.
• Correct incorrect installations.
• Mark exact latch height when changing from 32 mm to 54 mm.
• Solid one piece construction.
• Bright colour - easy to lay your hands on quickly.