Item Type: Single Fin Box_x000D_ Weight: Approx. 130g / 4.6oz_x000D_ Product Material: PVC _x000D_ Use: Surfboard 1PVC: Made of PVC material, sturdy and durable, can withstand water pressure. Perfect performance on longboard, single fin surfboard. 2Nice Replacement Of Your Single Fin Box: Great replacement for your single fin box, standard length fits your fin, easy to install and easy to use. 3Portable: Small size, light weight, easy to carry and store, easy to use. Shaping your board, or fixing a broken fin box. 4Size: The industry standard surfboard center fin box, 10.5inch standard length will fit your fin well. Wonderful accessory for surfboard. 5Widely Used: Can be attached at surfboard, such as a handle sail, or fishing rod base. Suitable for inflatable boats, kayaks, canoes, river rafts, dinghies, fishing boats, ocean boats, etc.1 x Single Fin Box