Tiedown Engineering - Danforth Hi-Tensile Anchor - 5 lb. - 94019. 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 - 5H. Holding Power - 1,000 lb.. Boat Size - Up to 31'. Weight - 5 lb.. Size - 21.5" x 16.5" x 11.24"