Product Description Camlock& Grooved Couplings MATERIAL : Brass Gravity Casting STANDARDS : ANSI , DIN . TYPE : A, B, C Product DescriptionCamlock& Grooved Couplings MATERIAL : Brass Gravity Casting STANDARDS : ANSI , DIN . TYPE : A, B, C, D, E, F, DC, DP SIZE : 3/4" , 1" , 1 1/2" , 2" , 2 1/2" ,3" , 4" , 6"