These marine anchors from Overton's are undercoated for extra adhesion, then coated in a thick, durable PVC to protect boat finishes from the scratches and abrasions that occur through normal use. This wide-area mushroom cap anchor provides excellent holding power in mud on weedy bottoms. One-piece vinyl-coated design includes drain in base. 10 lbs. 10-lb. wide-area mushroom cap anchor Excellent holding power in mud on weedy bottoms Protects boat from scratches and abrasions | Vinyl-Coated 10-lb. Mushroom Anchor