JIMS, thread chaser tap set

Past op: Universal

Includes 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13 and 9/16-12. Zinc plated, made from 1027 steel and imported by JIMS as a inexpensive way to functionally clean threads.
Note: Not suitable for cutting new threads.