Set pettini filettatura maschio

An inexpensive way to clean up threads on frames or other parts that have been powder-coated or painted. Includes coarse sizes; 1/4″-20, 5/16″-18, 3/8″-16, 7/16″-14, 1/2″-13, and 9/16″-12. Not for cutting new threads. Made in the U.S.A..