ITEM NAME:Premium Kitesurfing Fins Small Fin For Kite Surf Board Direction Control Description: 4 Pieces universal professional fins for kite surfing boards Made of high quality 40% nylon and 30% fiber glass- high strength and durable Comes with 8 Pieces washers for convenient mounting Needs 2 Pieces Screws (Diameter: 4mm; Thread Length: 9mm) for one fin (Not Included) Great accessories for kite surfer better and flexible board control Specification: Size: 48x13.4mm/1.89 x 0.52 inch Color: Black Package Includes: 4 Pieces Kite Surfing Fins 8 Pieces Rubber Washers Note: Please allow slightly difference due to manual measurement. Thanks SKU: DMO0018322754042195.4 Pieces universal professional fins for kite surfing boards. 4 Pieces Kite Surfing Fins. Made of high quality 40% nylon and 30% fiber glass- high strength and durable. People always bought together with.