7PCS THREAD PLUG GAUGE SET GO&NO-GO

Includes: 6-32UNC,8-32UNC,10-24UNC,12-24UNC,1/4"-20UNC,3/8"-16UNC,1/2"-13UNC
 
Strictly made in accordance with DIN ISO 1502
Strictly made in accordance with ANSI B1.2
7pcs go or no-go thread plug gauges of different size
Measuring faces hardened, ground and lapped
Made of premium steel, hardened, cryogenic treatment
Stable product dimensions, superior surface finish, wearresistance for long service life