Forge Fittings:- [Elbow, Tee, Union, Cross, Coupling, Cap, Bushing, Plug, Swage Nipple, Hexagon Nipple, Hose Nipple, Barrel Nipple, Straight Elbow, Hexagon Nut, Adapter, Insert, Cross, Weldolet, Elbowlet, Sockolet, Thredolet, Nipolet, Letrolet, etc. Size Range : 1/8" NB TO 3" NB (Socketweld & Threaded) Class: 3000#, 6000# & 9000#