?<strong>Description:</strong><br />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 equilibrium<br />Pitch: 5.5<br />The main hole diameter 4mm<br />Side hole diameter 1.5mm<br />The center to center distance 12mm<br />Quantity: 2 pair (2 positive pitch， 2 anti paddle)<br />Specification: 7055 carbon paddle<br />Package size: 20 * 5 * 1cm / 8 * 2 * 0.4in<br />Package weight: 27g / 0.9oz<br /><br /><strong>Package list:</strong><br />2 *&nbsp; CCW 7055 Carbon Fiber Propeller<br />2 *&nbsp; CW 7055 Carbon Fiber Propeller