Regarding the specification of this fin, please see  http://antigkiteboarding.com/board-technology.html 

The size of this fin is 1.5 inch.

This fin is good be used for advancer or flat water riding.

The price of one fin is about USD 8.3 include 2 screws.

We provide white, black, orange, green, transparent color fins to be chose to match with your kiteboard.

Please tell us what ordering quantity and what fin's color do you need via bellow chioce bar.

If you have any question about our products, please email hank@tkc.tw