The grappling hooks made from stainless steel 316, wear-resisting, anti-corrosion, anti-rust,strong and durable. The grapnel anchor are best for outdoor sports, It is a essential tools. People could use the grapnel to salvage aquatic plants, anchoring , fishing , climbing trees, wilderness survival activities, outdoor adventures,grapple falling objects and so on. Grab hook size: 12in (H)x 9in (W)x 9in (D); weight:2.02lb This heavy duty grappling hook is big,it is a perfect anchor for all bottoms.Holds better than danforth in grass amd rocks.solid,heavy and easy to get free as well. The four flukes anchor made from stainless steel 316, wear-resisting, anti-corrosion, anti-rust,strong and durable. The Grappling Hooks are best for outdoor sports, It is a essential tools.Perfect for climbing activities, wilderness survival activities, outdoor adventures, climbing tree, climbing mountain, rock climbing , ice climbing, anchoring, fishing,disaster relief,cleaning up the weeds, pull down tree limbs,grapple falling objects,etc.