Thresher - Fibre Glass Fin Co - Larry Allison
One of Larry's most popular designs. This fin is versatile, easy turning and great for surfing.
With a 7" Base at 38 Sq. inch surface area for a lighter rider. This fin can be used also on Touring boards for easy tracking and hold with the extended tip design of the Thresher. The leading edge of this fin will also shed weeds. The 8" Thresher is used as a single fin on 8'2" to 9'6" Sup Surfboards. It will fit boards using 8" and 10" fin box. This fin comes with screw and plate option for screwless "Click-it" option.