【Wide Application】: Tri fins box is suitable for longboards, fin surfboards, and as a standup paddleboard.
【Replacement Fins Box】: Shaping your board, or repair fixing a broken Fins Box.
【Rectangle Fins Box】: The slot is cut delicately, and can firmly hold the fin.
【Premium and Reliable】: Surfboard fins box is made of superior ABS materials that can be bearing water pressure and wear resistant.
【Package Content】: 3 Surfboard Fins Boxes, 1 Key, 3 Screws.