Quick connect pressure washer adapter set: 3/8 inch female pipe thread x 3/8 inch quick connect plug; 3/8 inch female pipe thread x 3/8 inch quick connect socket Quick connect plugs: 3/8 inch male pipe thread x 3/8 inch quick connect plug Strong pressure resistance: withstands maximum pressure up to 5000-6000 PSI Fine workmanship: these quick pressure washers and pressure washers nipples are made with accurate process, chemical for Application: these adapter sets and nipples make a quick connection for hose reels, water pump, ball valve, telescoping wand and so on Color: Silver Material: Stainless steel Feature NPT-compliant, please check the specifications before connect them, you can connect to most NPT-compliant connectors. Rust Free for . Fits any 3/8 inch Female QC fittings or 3/8 inch Female Pipe Thread. Package Contents: 1 x NPT 3/8 inch quick connector pressure washer adapter set 1 x NPT 3/8 inch stainless steel quick coupler plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.