type: aluminum camlock coupling C material: SS, aluminum,brass,PP with brass handle, SS handle size: 3/4"-6" type: aluminum camlock coupling Cmaterial: stainless steel,brass, alumium,PPsize: 3/4",1",1 1/4",1 1/2",2",2 1/2",3",4",5",6"BSP thread/NPT threadwe have other types of camlock coupling, like type A, B, C, D, E, F, DC, DPhose assemblies