Description:Using the 3K pure carbon fiber woven cloth， by high temperature high pressure precast precision machining， hardness is higher than that of conventional products market， each pair of all carbon fiber and propeller were treated by artificial balancing static and dynamic equilibriumName: 5055 carbon fiber paddlesPitch: 5.5The main hole diameter 4mmSide hole diameter 1.5mmThe center to center distance 12mmQuantity: 2 pairs (2 positive pitch， 2 anti paddle)Specification: 5055 carbon paddlePackage size: 20 * 5 * 1cm / 8 * 2 * 0.4inPackage weight: 20g / 0.7ozPackage list:2 * 5055 Carbon Fiber Propeller CW2 * 5055 Carbon Fiber Propeller CCW