• Use hinge as template by drilling directly through the holes.
• Spring-loaded sleeve has a chamfered tip to position centrally in hole.
• Replace worn drill bits by undoing hex head screw on side.
• Contents: Hinge Drill Bits; 7/64" x 87mm, 9/64" x 98mm, 11/64" x 98mm, 2.5mm hex key.
• 1/4" Hex shank.
• Model No. AK3HD