Used by tournament fishermen worldwide, the Richter Anchor is the ultimate high performance anchor for all applications. Patented design combines the weight of a river anchor, the penetration of a grapnel anchor, and the easy retrieval of a slip-ring anchor. Unmatched performance in any situation. The penetration of a grapnel anchor 18-lb. anchor For boats up to 20' | Richter 18-lb. Anchor For Boats Up To 20'