Plug Gauge 1 2 BSP 14 TPI Go and No Go, Thread Checking, Plug Gauge GO and No Go M20 x 2 MM 6H, Thread cutting, die Set M10 x 1 MM, Thread Checking Plug Gauge GO and, No Go M36 x 1. 5 7H, Thread Checking Ring Gauge GO and, No Go M46 x 1. 5 6G, No Go M27 x 1. 5MM, Thread Ring Gauge GO and No Go, M27 x 1 6G, Thread Plug Gauge GO and No Go M27 x 1 6H, Thread Cutting Spiral Flute Tap M6 x 1MM