Jims Thread Chaser Tap Set - 933

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
Zinc-plated steel construction
Not for cutting new threads
Made in the USA