Mooring whips are made of high quality fiberglass poles, aluminum magnesium base units, tips and mooring whip lines. Comes complete with all hardware necessary. Standard whips (MW) are equipped with fixed bases. Premium whips (PMW) are equipped with unique rocker arm bases and are designed for saltwater use, large tidal areas and are ideal for large boats. Unconditional non pro-rated five year guarantee. 1 pair/box.