Yak Gear YakGear 5lb Mushroom Anchors. The high-level holding strength provides additional security with a wide-area mushroom cap with drains in the base.Shaped like an inverted mushroom the head becomes buried in the soft seabed and will normally sink to the point where it has displaced its own weight in the seabed material. Its one-piece cast iron construction combined with a tough vinyl coating ensures long-lasting dependable use. The anchor is very popular for fishermen and race buoys. Specifications for Yak Gear YakGear 5lb Mushroom Anchor: Manufacturer: Yak Gear Weight: 5 lb Package Contents: Yak Gear YakGear 5lb Mushroom Anchor Yak Gear 01-0010-01B: YakGear 5lb Mushroom Anchors