Unique Bargains Plastic Propeller Propeller Props Blade Helicopter Kit 9 Inch Fold Resistant for STEM Activities Powered Airplanes DIY Science(Orange 4pcs)

Propeller Props Blade; Propellers Length: 9inch; Height: 15mm/0.59inch; Hole Diameter: 1.5mm/0.06 inch; Color: Orange; Pack of 4 pcs Plastic Propeller

Made of thermoplastic polymer ABS plastic, which not only greatly reduces the overall weight, but also ensures strong wind output, and is durable and wear-resistant; The hook made of iron material reinforces the propeller, further enhancing the structural stability of the propeller, absolute safety, and reliability when rotating at high speed.

Equipped with elastic rubber bands, it can continuously and stably provide sufficient power support for both DIY creative projects and scientific experiments.

Easy Assembly: Secure the tail hook to the propeller shaft or propeller mount, ensuring the hook faces outwards and is secure; Hang one end of the rubber band on the tail hook, and hold the other end by hand or secure it to another hook to form a traction structure.

Please allow ±0.05mm measurement difference due to manual measurement.