Sutton Door Lock Installation Jig

• For guiding holesaws into existing 7/8 or 1" timber door lock holes to enlarge to 54mm holes for installation of door locks & handles.
• Ideal for DIYer’s, carpenters, builders, and locksmiths.
• For door thickness up to 50mm (2").
• Cut any size hole bigger than the diameter of the jig. 
• Easy to use in 5 steps.