Tiedown Engineering - Danforth Hi-Tensile Anchor - 12 lb. - 94020. Danforth Hi-Tensile Anchors are engineered to deliver maximum holding power and quick deep bottom penetration. Crafted with high-grade 4130 steel, each shank is heat-treated for exceptional strength while the hot dip galvanized coating ensures long-lasting protection against corrosion.. Features:. Model - 12H. Weight - 12 lb.. Holding Power - 1,800 lb.. Boat Size - Up to 42'. Size - 28.25" x 21.5" x 13.5"