TYPES : ELBOW, TEE, UNION, CROSS, COUPLING, CAP, BUSHING,
PLUG, SWAGE NIPPLE, WELDING BOSS, HEXAGON NIPPLE, BARREL NIPPLE, WELDING
NIPPLE, PARRALER NIPPLE, STREET ELBOW, HEXAGON NUT, HOSE NIPPLE, BENDS ADAPTER,
INSERT, WELDOLET, ELBOWLET, SOCKOLET, THREDOLET, NIPOLET, LETROLET, etc.
