This is Sullivan"s SUPER Klunk for Large Capacity Fuel Tanks. FEATURES: Klunk is tapered for better access to tank corners. For Large diameter tubing or high feed rates. Weighs nearly 2-1/2 times as much as the standard klunk. Suitable for ALL fuel types. INCLUDES: One Super HeavyWeight Klunk REQUIRES: Mounting onto your fuel line and inserting into the fuel tank. SPECS: Weight: .45 ounces (12.7g) kh2-28-02