Slip-Ring Penetrating Anchor, #10 * #10 * Penetrating fluke anchors dig into mud, sand, or gravel and stow flat * Pivoting flukes rotate downward into bottom * Excellent weight-to-holding power ratio, compared to cast anchors * All Attwood penetrating anchors are manufactured of hot dip galvanized steel for corrosion-resistance and strength * The assembly is arc-welded steel that maintains consistent fluke-to-shank angles, ensuring quick penetration and a firm hold