By sandwiching it between the foil mast top plate and the board, you can angle the foil base by 1.0°. Compatible with M6 and M8 bolts. Can be used in combination with the separately sold 0.5°. Sets that can be adjusted from 0.5° to 2.0° are also available. #BCWorksWingFoil Shipping is only on weekdays. Please be aware if you are in a hurry. We also have other wing foil accessories such as harness hooks and belts for sale. See my other listings here ⬇⬇⬇ #BCWorksWingFoil Harness belts and hooks are also ⬇⬇⬇ available ⬇⬇⬇ #BCWorksWingFoil If you are new to Mercari, you will receive "500 yen worth of points" that you can use next time by using the "referral code" below. ⬇⬇⬇Referral code is here⬇⬇⬇ WUADRG Wing foil Wing foil wingfoil foil