Metal made High Tensile Hose Coupling is available in precise dimension and has tensile strength. The Hose Coupling is made of malleable cast iron which ensures optimum durability along with long lasting trouble free service. The Hose Coupling provides a good joint and tightened by a standard hexagon screw and nut. Metal made High Tensile Hose Coupling has an inner diameter of ½ ¾ and 1inch.