Polyform F-series cylindrical fenders are offered in as many as 12 different sizes to fit vessels ranging from the smallest dinghy up to commercial ships and Navy vessels. F-series cylindrical fenders have set the standard for heavy duty fenders for close to 60 years. The newest generation are made by use of Polyform's unique, in-house developed and patented POLYMATIQ® technology. Highest breaking strength is taken care of by the two multiple rib-reinforced rock solid ropeholds. Tested for strength and flexibility in temperatures ranging from -30oC to +60oC, these heavy duty fenders feature high abrasive resistance and high energy absorption (up to 3.8 ton meter for F-13), making them suitable for ships of up to 1500 ton d/w (F-13). In addition to be a must for recreational crafts and yachts, the F-series cylindrical fenders are widely used by * Coast guard and navy vessels * Pilot boats * Commercial ships * "ALMOST ANY KIND OF BOAT AFLOAT