Stainless steel camlock coupling Sizes available: 1/ 2" , 3/ 4" , 1" , 1-1/ 4" , 1-1/ 2" , 2" , 2-1/ 2" , 3" , 4" , 5" , 6" Types available: A, B, C, D, E, F, DC, DP Made by lost wax investment casting