3 / 4 Inch And 3 / 8 Inch NPT Specs: Listed specifications include a 3 / 4 inch line and standard 3 / 8 inch NPT outlet port to help compare planned pneumatic pipe Practical Setup Reminder: Use the outlet set for compressed air line setup, air powered supply lines, and pneumatic equipment control after confirming thread fit Mounting And Control Structure: Mounting holes, metal threaded interfaces, center screws, and black handle levers fixed placement and straightforward line control 2 Piece Set With Threaded Fittings: The visible set includes two main outlet assemblies and two threaded connector fittings, giving users a clear parts layout before installation Compressed Air Outlet Function: The set supports compressed air line outlet setup for pneumatic tool, air compressor supply lines, and garage or workshop maintenance layouts, Manufacturer: Mekalero