... -7-2005Material:1) body: Aluminum2) Handle: Brass(Forging)3) Ring: Steel(Zinc plated)4) Thread: Male/FemaleFeature :1) Precisely machined for accurate ... and great resistance to vibration.4) Size:1/2", 3/4", 1" , 11/4", 11/2", 2 , 21/2", 3", 4", 5", 6" 5) Type: A ... .10) We are qualified member of NFPA. quick coupling hose connectors