Danforth Anchors are the Worlds Most Trusted Anchor. Standard fluke anchor has the traditional holding power which has always been associated with Danforth Anchors. The shank is made of high strength steel. The steel flukes are strong and wide. Each anchor has a hot dipped galvanized coating for long lasting protection. Danforth Hi-Tensile Anchor is our toughest, most durable anchor and features very high holding power. The flukes are fabricated for additional strength and then beveled to allow quick, deep bottom penetration. Each shank is made from 4130 steel and then heat treated for extra strength. Hot dipped galvanized finish. Danforth Anchors are warranted to be free from manufacturing and material defects for the life of the product. This warranty applies for the lifetime of the product under normal use and service.