Clamps over the frame of a 1911 Auto to provide a solid guide for
getting the front strap checkering lines started correctly. Sets up
60° or 90° diamonds. Long enough to allow a good,
long, contour-following stroke on the Checkering File.
SPECS: 2½" (6.3cm) long, 1" (2.5cm) wide. 7/16"
(11.1mm) thick. Aluminum Guide and Clamp Bar. Allen head Lock
Screw.
Catalog page 139