ANSI/ ASME B1. 20. 1 Plug Gauge 1/ 2" x 14TPI NPT, Q3, ANSI/ ASME B1. 20. 1 Ring Gauge 1/ 2" x 14TPI NPT, ANSI/ ASME B1. 20. 1 Plug Gauge 1" x 11. 5TPI NPT, RH, API Spec 5B Working Ring gauge 13 3/ 8" x 5TPI BTC, API Spec 5B Working Ring gauge 9 5/ 8" x 5TPI BTC, API Spec 5B Working Ring gauge 2 7/ 8" x 8TPI EUE, API Spec 5B Working Plug gauge 2 7/ 8" x 8TPI EUE, API Spec 5B Working Ring gauge 3 1/ 2" x 8TPI EUE, ANSI/ ASME B1. 20. 1 Ring Gauge 2" x 11. 5TPI NPT, ANSI/ ASME B1. 20. 1 Ring Gauge 1" x 11. 5TPI NPT- L1, ANSI/ ASME B1. 20. 1 Plug Gauge 2" x 11. 5TPI NPT