Don"t let the name fool you. This innovative anchoring system works great when youwant to keep your watercraft secured but don"t have anything to tie to. The Sandspike®can keep your watercraft on the beach or off the beach, depending on which you prefer.Simple to use, just insert in the beach angled away from your boat, and the Sandspike®acts as a temporary mooring bit. Once inserted, it looks good and it"s much safer thansticks, rocks, or whatever else you find on the beach. They work on all types ofbeaches, except solid rock. (But, then what will?) Medium size will hold a low profile boat up to a 32 depending on conditions.Watercraft with Towers need to purchase the Medium SandspikeBeware of cheap imitations on the market! We have done numerous testing on all of our competitors products and we still have the strongest holding power of any beach anchor on the market today! Guaranteed! In fact due to this incredible holding power of our Sandspike we are the only one that is recommended and manufactured for a major boat manufacturer!