Jet Logic products are designed to maximize your Personal Water Craft experience. The Jet Logic Screw Anchor System has a zinc-plated anchor can be screwed into compacted sand or mud in 2 to 3 ft. of water. It has an 8 ft. long marine grade rope with huge nylon snap hook at each end. One hook has to be attached to the boat and the other to the screw anchor for safe anchorage. It comes with a padded nylon case for storage.