For use with pole model # UTR-350-EF. Designed for high strength, very low weight and resistance to wear and corrosion, the Ultra Series composite end fitting is perfect for aluminum or carbon fiber spinnaker and whisker poles. Available with or without triggers. For Pole Dia. 3.5", Tube I.D. 3.260", Weight 15.72 oz. Maximum LOA Boat Outboard End - 43'. Maximum LOA Boat Inboard End - 36'. All larger boats use GP Series. ****Trip line is Spectra™ with terminal eye strap included. Length is sufficient for standard pole lengths based on diameter.