What we have: The unique anchor construction and tip pressure allow the triangular anchors to be retracted The Wing Anchor sets quickly and easily in most bottoms including mud, sand, rock, and more. Made of highly polished 316 Stainless Steel,could use long time under seawater environment A geometric design of the blade that provides absolute stability and high holding power. We are Commitment the perfect Marine hardware for every yacht and boat enthusiast.We have been working in this industry for many years and have a strong team strength to provide you with quality services