This propeller is made of high quality carbon fiber, which is extremely lightweight and durable and It is just designed for RC Airplane. You can expect an increase in overall motor efficiency with this excellent propeller.<br><br>Description:<br>13 * 6 Carbon fiber CCW propeller<br>Material: Carbon fiber<br>High durable<br>Extremely lightweight<br>Suit for RC Airplane<br><br><br>Parameter:<br>Propeller Length: 13 Inch/330mm<br>Pitch: 6 Inch/152mm<br>Material: Carbon Fiber<br>Shaft Hole diameter: 9mm<br>Product weight: 20.5g<br><br>Package information:<br>Package size: 40 * 9 * 1 cm / 15.7 * 3.5 * 0.4 in<br>Package weight: 29g / 1 oz<br><br>Package list:<br>1 * Pcs 13 * 6 Carbon fiber CCW propeller