For sale is a SET of 3 Greenfield MACHINIST TOOLING TAP 1. 1 1/2 - 4G; SK=327610 Tap K6 HS Overall Length is 17" 2. 1 1/2 - 4 HS G; SK=327609 Overall Length is 18" 3. 1 1/2 - 4 HS G; SK=327608 Overall Length is 18" Condition is "used", so you need look at pictures very carefully.