Upgrade your R/C nitro/glow model airplane with this lot of 5 Master Airscrew propellers. Each propeller measures 11x7.5 inches and is designed for 1:4, 1:5, 1:6, and 1:8 scale models. Made in the United States, these black propellers are compatible with gasoline, nitro, and glow fuel types. These high-quality propellers are perfect for hobbyists aged 17 years and up who demand superior performance from their model airplanes. Whether you're a seasoned pro or just starting out, these Master Airscrew propellers are a must-have for any R/C aircraft enthusiast. Take your flying experience to new heights with this lot of 5 propellers.