Taylor Made Products Pick-up or Diving Mast Buoy, White / Blue Stripe Perfect as a pick-up buoy and ideal for all diving applications. 5/16" diameter pultruded fiberglass mast with PVC outer layer adds strength, flexibility and no more fiberglass shards to become exposed Float is sealed Urethane foam - provides great floatation and years of service Corrosion resistant HDPE (high density polyehylene) coated cast metal weight that will not scratch or mar your boats finish 6 pounds of approximate buoyancy