Premium Mark V. Toughest plastics available today. Rock hard outer shell of a nominal 1/8″ thickness. The core is 2 lb. high density polyurethane foam. 2″ blue band around buoy.

• Mooring chain should be 1/2″ smaller in width than the tube I.D.
• Chain length is normally 1.5 x water depth
• The chain weight should not be greater than 1/2 the buoyancy rating of the buoy