Used during firefighting operations. Item Description: Gun Metal Divding Breech having 63mm Male Inst. Inlet and 2 numbers. 63mm Female Inst outlet.Item Description: Gun Metal Controlled Divding Breech with Control Valve having 1number.63mm Male Inst. Inlet & 2number 63mm Female Inst outlet. Material of Construction: G.M., SS, Aluminum, CL Size:21/2"