Keproving 2PCS Universal Scuba Diving Port Plug with O-Ring, 2 LP 3/8-24 Thread, Copper Chrome Plated for First Stage Regulator

["Made of premium copper chrome plated material, keeping stable performance for long time use.","Matched O-rings provide great tight sealing, reliable for underwater diving scenarios.","Fits standard LP ports perfectly, compatible with 3/8-24 thread size.","Package includes 2 low pressure plugs, easy direct replacement for scuba first stage regulator.","Featured non-slip construction to protect parts from wrench damage when installing."]