Special drill designed by Michaels' to install their plain and quick
detachable swivels with a minimum of time and effort. Correct
diameter to drill and counterbore swivel stud holes for neat,
no-splinter, professional installations.
SPECS: #1 drill - 2¾" (7.0cm) overall length, 3/16"
(4.8mm)
bit dia. #2 drill - 2" (5.1cm) overall length, 1/8" (3.2mm) bit
dia.
Catalog page 232