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> <strong>Description:</strong> <br> 12 * 6 Carbon fiber CCW propeller <br> Material: Carbon fiber <br> High durable <br> Extremely lightweight <br> Suit for RC Airplane <br> <img alt="" src="//www.tomtop.com/uploads/ckeditor/20150810095935461.jpg"> <br> <br> <strong>Parameter:</strong> <br> Propeller Length: 12 Inch/305mm <br> Pitch: 6 Inch/152mm <br> Material: Carbon Fiber <br> Shaft Hole diameter: 9mm <br> Product weight: 20g <br> <br> <strong>Package information:</strong> <br> Package size: 37 * 9 * 1 cm / 14.5 * 3.5 * 0.4 in <br> Package weight: 26g / 0.9 oz <br> <br> <strong>Package list:</strong> <br> 1 * Pcs 12 * 6 Carbon fiber CCW propeller