1.Sand Spike Boat Anchor: Our slide sand anchor features a self hammering structure that swiftly penetrates soft and hard sand, effortlessly securing your boats or pontoons without additional aids. 2.Long Spike, Secure Anchoring: The 38.8'/985 mm long needle structure, with a lower part measuring 21.6'/550 mm, ensures a strong and stable grip, weighing 9.5 lbs/4.3 kg for deep insertion into shallow water areas devoid of rocks, silt, or water grass. 3.Wide Compatibility, Secure Fastening: Our marine slide anchor shore spike easily fastens a variety of boats. It provides two convenient tie down loops for hassle knotting with dock lines or boat ropes. Choose between a loop attached to the upper end of the handle or one on the side to secure your boat, motorboat, lifeboat, or rowboat. 4.Built to Endure Seawater: Crafted from high strength carbon steel galvanized (Q235A), our self hammering sand anchor boasts seawater corrosion resistance. A zinc plating layer on solid carbon steel provides effective anti corrosion protection, ensuring durability and impact resistance in both river and seawater environments, and is suitable for use in fresh or saltwater.