All Foil Assist masts come equipped with a plastic propeller set and a spare set. If your propeller blades are damaged, you can order a new set separately as a spare part.The propeller blades feature corrugated gears that ensure reliable unfolding when you activate the motor, whether in the water or on land.In our Help Center, you will find information on how to properly replace the propeller blades and what to pay attention to during the process.