Out of stock Add Wish List Quick view Out of stock SALE: 8.5" Glass Box Fin - Translucent Red Made of Fibreglass. The 8.5" Box Fins are a substantial value for money. Built for a wide variety of Surfboards and Surf conditions, these fins can be used as a single fin set up or can be combined with the Small Glass Side Bites to make a 2+1 … MSRP: Was: Now: $139.95 Out of stock Compare