Cam&groove coupling Brass. Size:1/2"-- 6", Type: A,B,C,D,E,F,DC,DP, Qualified member of NFPA. Standard: DIN EN ... -7-2005Material:1) body: Brass2) Handle: Brass(Forging)3) Ring: Steel(Zinc plated)4) Thread: Male/FemaleFeature :1) Precisely machined for ... ", 2 , 21/2", 3", 4", 5", 6" 5) Type: A,B,C,D,E,F,DC,DP/Brass6) Cast method available : Gravity Cast, Sand ...