DescriptionThe item is a pair of 10*4.5" 1045 propeller props CW CCW, which are mainly made of high-grade hard plastic material for durable to use, and suitable for most RC multirotor and quadcopters.Each pair of propellers has perfect dynamic poise and static balancing which balance by manpower, especially for improving the air-powered efficiency and aerofoil stability.Features- Color: mainly green. - Material: durable hard plastic. - Size: Diameter: about 10"/25.4cm; Slope: 4.5" /11.43cm. - and 10x4.5" 1045 CW CCW Propeller Props. - Include one propeller prop CW, and one propeller prop CCW. - Suitable for most RC multirotors and quadcopters. - Each pair of propellers has perfect dynamic poise and static balancing which balance by manpower, - Very strong and light weight, to help improve the air-powered efficiency and aerofoil stability.