Cut Positive Detents On New Thumb Safeties/Slide Stops
Ingenious, combination step drill and ball end mill cuts new
detents quickly and precisely using only finger pressure. Aligns
through the plunger tube. Gives both detents a solid on/off click
and your 1911 the sound and feel of quality.
1911, Issue:09, Page:060
Big Book Catalog, Issue:66, Page:146
SPECS: Drill rod. 6½" (16.5cm) long, .088" (2.26mm)