I for keeping smaller boats, kayaks, and PWCs in place, the Overton's 10-lb. Mushroom Anchor excellent holding power in mud or weedy bottoms. The compact size is great for holding buoys or markers, and the holes in the base of the anchor allow water to flow through making it i as a drag anchor for fishing in current. This anchor is undercoated for extra adhesion, then coated in a thick, durable PVC to protect boat finishes from the scratches and abrasions which occur through normal use. Comes complete with 50' x 5/16" polypropylene anchor line with snap hook.