Topper mast disc is a 1.5mm thick disc with a diameter of 52mm and a 27mm cut to be placed into the mast step and avoid abrasion
Chafe Tape is a pressure sensitive tape using ultra high molecular weight polyethylene film with an aggressive acrylic adhesive.
The result is a very tough material, with the highest impact strenght of any thermoplastic presently made.It has extremely low moisture absorption and very low coefficient of friction, is self lubricating and is highly resistant to abrasion (15 times more resistant to abrasion than carbon steel).