Unlike other kits, these light weight anodized aluminum thread gauges are threaded with both male and female ends so you can identify sizes quickly! .
International Thread Identification for male and female threads includes: M8 x 1.0 through M52 x 2.0 metric thread gauges and 1/8-28 BSPP through 2-11 BSPP thread gauges.
Kit includes carrying case, 31 anodized aluminum gauges and Thread and Port Guide Book