DescriptionThe item is a pair of simple and practical 5030 5030R 5x3" 3-blades propellers CW CCW, which are mainly made of high-grade hard plastic material for durable to use, and suitable for most RC airplanes and multicopters. The 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: Length: 5.0-inch,Screw pitch: 3.0-inch. Center pore diameter: about 5mm. - and 5030 5030R 5x3" 3-Blades CW CCW Propellers. - Include one 3-blades propeller CW, and one 3-blades propeller CCW. - Suitable for most RC micro quadcopters and multi-copters. - Very strong and light weight, to help improve the air-powered efficiency and aerofoil stability. - Easy to install and durable to use.