Innovative, Patented Roll-Foil Bar: A sculpted variation of the original roll-bar, featuring a series of unique shaped profiles designed to ensure the anchor arrives at the ideal angle for setting, and helps guide the fluke for tip during setting for deeper set and additional holding power. Concave Fluke: Weighted, reinforced tip the fluke offers unmatched resistance for different types of sea beds ensuring deep and secure anchoring. High Tensile Steel Shank: The MK II's shank is fortified with our patented I+V profile design, for improved strength and setting performance making it the toughest Rocna shank of all. Each Rocna Mk II anchor ensures deep penetration and high holding power in various sea beds, from soft mud to hard sand, clay, grass, and kelp.