This lot of 5 Master Airscrew Propellers is perfect for any R/C model airplane enthusiast. The set includes propellers in various sizes, including 7x4, 7x6, and 8x6, and is compatible with both gasoline and nitro/glow fuel. These propellers are made by the reputable brand Master Airscrew and are designed for universal compatibility with a range of scales from 1:4 to 1:8. With a sleek black finish, these high-quality propellers are sure to enhance the performance and appearance of your R/C model airplane. Made in the United States and suitable for ages 17 and up, this lot is a must-have for any serious R/C hobbyist.