The propellers are perfectly fit for S166GPS S167 RC quacopter. Made of high quality plastic, these propellers with a strong thrust power is capable of providing a wonderful flying experience. The economic set includes 8pcs propellers can be free your worry from propellers breaking when in a outside flight. Features: Perfectly suits for S166GPS S167 quadcopter. An economic set includes 8pcs, 4cw + 4ccw in the package frees your worry from propellers breaking when in a outside flight. Made o high quality plastic, the propellers stand wear and tear. Strong thrust power provides you a wonderful flying experience. Small size of 14.5 * 1.9cm, portable, light and thus save space. Easy to install and maintain. Any problem, please contact our store without hesitation. Honor to serve you. Specifications: Item Name: Quacopter Propeller Set Main Material: Plastic Weight: 2.9g/pcs Size: 14.5 * 1.9cm Suitable for: S166GPS S167 RC Quacopter Package Information: Package Weight: 25g Package Size: 18 * 6 * 2cm/ 7.09 * 2.36 * 0.79in Poly bag package. FAQ: * There could be a few deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understand. Package List: 4 * CW Propellers 4 * CCW Propellers