-Repairs Damaged Threads w/o Altering Good Threads
-Clears Worn Threads of Nicks and Burs for a Smooth Fit
-Use w/ Standard Wrench Sizes

Contains:
-7pc Rethreader Dies (NC): 1/4" (20), 5/16" (18), 3/8" (16), 7/16" (14), 1/2" (13), 9/16" (12), 5/8" (11)
-7pc Rethreader Dies (NF): 1/4" (28), 5/16" (24), 3/8" (24), 7/16" (20), 1/2" (20), 9/16" (18), 5/8" (18)