12 lb Galvanized Steel Danforth Hi-Tensile Fluke Anchor by Tie Down Engineering®. Danforth Hi-Tensile is 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. The shank is made from 4130 steel and then heat treated for extra strength with a hot dipped galvanized finish.