KA-BAR Backpack KasterThe KA BAR Backpack Kaster, an American made, lightweight fishing system designed to tag along on all your outdoor adventures is made from Ultramid and weighs 0. 25 lb. It is comprised of three main components. The handle is inspired by the iconic KA BAR USMC Fighting Utility Knife and has a hollow storage compartment for extra line and lures. The head of the Kaster is where your fishing line attaches, and a plastic clamp like device is included to