Stainless steel fittings Including elbow 90 / 45, street elbow, tee, reducing tee, cross, union, union m/f, hexagon nipple, reducing hexagon nipple, hexafon bushing, square plug, hexagon plug, cap, hexagon cap, socket banded, reducing socket banded, socket plain, socket o. D. Machined, barrel nipple, hose nipple Size: 1/8" - 4" Material: SS304 / SS316 Pressure: 150PSI Threaded: DIN 2999/ 259, BSPP, BSPT, NPT, NPS.