Polyform A4 red/blue head fender and buoy The POLYFORM® A series is produced in eight different sizes. The blue, ribbed hook knot is easily recognisable, strong and is manufactured by high-pressure injection moulding to guarantee maximum breaking strength. The high quality and seamless construction of this Polyform buoy (or fender) is one of the reasons why professional users around the world prefer POLYFORM® A Series buoys. Variant: Red with blue head Model: A4 - 55 cm - in - 21,5cm Height = 71 cm Weight = 4,1 kg