Versatile Polyform A-6 Series Buoys double as fenders and are available in many bright colors.We see these A-Series buoys used by fishing boats everywhere, and they are the product that put Polyform on the map. These versatile, all-purpose buoys/fenders, with the signature "blue ropehold", are proven under the most demanding conditions, marking underwater gear that's used in heavy seas.Unique dual valve system (A-5, A-6 and A-7 sizes): Two valves located on opposite sides of the ropehold in the blue top - the normal Polyform inflation valve and white screws with the words "AIR IN" molded next to it for easy inflation. Additionally, on the other side, there is now a blue valve and white screw with the words "AIR OUT" for easy deflation and storage.Key FeaturesHeavy-duty buoy that doubles as a fender, made in the U.S.A.Available in a wide range of bright colorsFrequently used as a marker or mooring buoyGreat for use as a raft-up fenderThis product ships deflatedPolyform valves can be attached to an air pump and inflated using either a Polyform Inflation Adapter with any standard tire pump connection or a tapered nozzle blow gun, or a Polyform specialty hand pumpMolded as single piece of extra strength, flexible vinyl with a reinforced ropeholdAll fenders have the standard Polyform blue ropehold unless designated "All Black."A-Series Selection ChartBoat LengthA-Series SelectionDiameter x LengthRope Eye DiameterUp to 10'A-08" x 11 1/2"5/8"10' to 20'A-08" x 11 1/2"5/8"20' to 30'A-111" x 15"1"30' to 40'A-214 1/2" x 19 1/2"1 1/8"40' to 50'A-317" x 23"1 1/8"50' to 60'A-420 1/2" x 27"1 1/8"60' to 70'A-527" x 36"1 1/4"70' and upA-634" x 44"1 1/2"70' and upA-739" x 54"2"