Stainless steel fuel tank filler neck clamp for Datsun 240Z & Datsun 260Z 1970-73. This clamp is for use on the fuel filler neck hose where it attaches to the gas tank. This clamp is stainless steel & is designed so that it will not cut into the fuel tank hose when it is tightened. The gas tank filler hoses are expensive and this clamp will help to keep it from getting damaged.