Gas Tank Base with 1" Ball for BMW and Kawasaki MotorcyclesThe RAM® Mounts Gas Tank base is a low-profile way to get a unique perspective from your camera or to attach your electronic device where it can be quickly accessible. This powder coated aluminum base mounts directly to the stock gas tank of your BMW or Kawasaki motorcycles. We include the hardware you need to mount to the fill port as well. Included Hardware: Qty. 4 M5-0.8 x 40MM Socket Head Cap ScrewQty. 3 M5-0.8 x 25MM Socket Head Cap ScrewQty. 4 M5 Stainless Steel Flat WasherMaterial: Powder Coated Marine Grade Aluminum & High Strength CompositeBall Size: 1" Rubber Ball “B” Size