Dixon AB200 Aluminum 356T6 Boss-Lock Type B Cam and Groove Hose Fitting, 2" Socket x 2" NPT Male Cam and groove fitting with safety clips that lock into lugs for a secure connection One female cam coupler end for connecting to male groove adapters and one NPT male threaded end for connecting to NPT female threaded connections (Type B) Aluminum for resisting corrosion and tarnishing Corrosive-resistant investment cast stainless steel cam lock levers for locking the fitting's male groove adapter into female cam couplers Nitrile butadiene rubber seal rated for petroleum service, ethanol to E100, and biodiesel to B20