Surfboard Fins Side Bites GL Single Tab - HEXCOREGL sidebite fibreglass surfboard fins for Futures single tab style Australia HEXCORE Side Bite GL surfboard fins fibreglass with hexcore GL sidebite surfboard fins are a well balanced fin design with an excellent balance of base, height and sweep. Combined with rigid fibreglass construction results in an optimum quality fin. GL's are an especially popular size for Longboards and Quads (Surfboard and SUP) providing extra drive and control, and come as