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 & Locksmiths.

• For door thickness’s up to 50mm (2").
• Cut any size hole bigger than the diameter of the jig. 
• Easy to use in 5 steps.