Three, carbide cutters give even cutting pressure to square up the face of your receiver. Tapered handles let you turn the tool smoothly. Guided by the pilot on the tap listed above.
Big Book Catalog, Issue:66, Page:488
New Product Supplement, Issue:564, Page:020
SPECS: Aluminum. Teeth - Approximately 3⁄8" (9.5mm) long, 5⁄32" (4mm) wide. 6¾" (17.1cm) OAL with handle.