Only 1 left in stock Quick view Remove from Compare Compare Items 1/2 20 UNF 2A SPECIAL THREAD RING GAGES .5 GO NO GO P.D.'S= .4675 & .4639 .50-20 $119.99 View Options
Only 2 left in stock Quick view Remove from Compare Compare Items ALAMEDA 1/2 20 UNF 3A LEFT HAND THREAD RING GAGE .5 NO GO ONLY P.D. = .4643 L.H. $134.99 View Options
