The Greenfield Products 17 lb. Richter Anchor combines the weight of a river anchor, the penetration of a grapnel anchor and the easy retrieval of a slip ring anchor for high performance under almost any conditions. The anchor's release system allows for easy retrieval, even when buried or tangled, and the anchor will set and hold, allowing you to stay closer to your set point. Compatible with a 1/4"W x 4'L anchor lead chain (sold separately). Black.