PERFECT REPLACEMENT FIN: Help surfboard and canoe improve stability and water breaking performance. Suitable for most surfboard and canoes.NO TOOL FIN SCREW: We include our No Tool fin screw and plate set so you can install this on your board right away without any tools. Plug in design, easy to install and use.DURABLE: Made of nylon material, durable, smooth surface treatment.SIZE: Approx. 18.5 x 3.3 x 22cm / 7.3 x 1.3 x 8.7in(9in).LIGHTWEIGHT AND PORTABLE: Approx. 198g / 7.0oz(9in). Great for easy storage and transportation.Colour: blackMaterial: nylonPackage Contents:1* Center Fin1* Fin BaseOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.