Manufacturer part #:7413.30Technical DescriptionFeaturesAmericanMetricDescriptionExtra 7' (2.13 m) Luff Foil ExtrusionSystemMKIVUnit3K1 1/2 in38 mmL1 11/16 in43 mmFoil Length7 ft2.13 mLuff Tape#6 6/32" (5 mm)