Models: standard thread gauge: ACME \ Stub ACME, MOD ACME, UN \ UNC \ UNF \ UNEF \ UNR \ UNJ, ANPT, BSPP, BSPT, KEG, M, MJ, NPSC, NPSF, NPSH, NPSL, NPSM, NPT , NPTF API5B oil thread gauge: LP pipeline, TBG \ UP TBG casing, BUTTRESS buttress casing, CSG API6A oil pipeline thread gauge: Non-Upset Sharp Vee API7-2 oil thread gauge: NC numeric type, IF inside flat , FH consistent eye type, REG regular type API11B oil thread gauge: Sucker Rods API11AX oil thread gauge: B \ L Connection other oil thread gauge: BPV, Buttress Improved, Extra Hole, Full Hole, Internal Flush, PAC Tools, Regular H90, Slimline H90 adjustable thread gauge Split Thread Gage, monolithic thread gauge Solid Thread Gage standard thread gauge Standard Thread Gage, non-standard custom Modified Thread Gage thread gauge thread gauge calibration settings Setting Plug, distribution of international GSG Gage, HEMCO Gage, PMC Lonestar, Gage Assembly, Vermont Gage, Meyer Gage, PMC Mercury, Van Keuren, USGage, Pennoyer-Dodge, Regal Cutting Tools, Swanson, Tru-Thread, domestic as the amount of amount of Kazakhstan, Site Rui, Shaanxi Matterhorn, Shaanxi gemstones Brand thread gauge equipment Ltd. Suzhou Kai Jiesi You are welcome to consult the discussion