UTR-250-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 poles and whisker poles. The Ultra Series is the sailor's choice for inshore and offshore racing and cruising. Available with or without triggers. For Pole Dia. 2.5 in Tube I.D. 2.334 in Weight 9.25 oz.