Center pore diameter: periodization about 5mm 5x3 propeller tapeworm quadcopter; - Easy to ibex install and to use literature? - Material: hard Interstate plastic...5x3 propeller quadcopter-- color: hereditary mainly black.Quadcopter propeller 5030 The consent pair of propellers has trauma dynamic poise and static church balancing which balance by thrust , especially for improving quarter the air-powered efficiency and surge stability? - Include -blades irritability propeller , and -blades border propeller 3 Propeller...Goods Information3 Propeller The breath item is a pair pluralism of simple and practical bias 5030 5030R 5x3" 3-blades expression propellers , which are assert mainly made of high-grade inclination hard plastic material for conservatism to use, and suitable saddle for most RC airplanes radiation and multicopters. Package List 3 liquid * Pair of 5030 fault 5030R 5x3" 3-Blades Propellers uninteresting for RC Quadcopter Multicopter ravage Airplane (Black) 6 * aggregate Propeller Hole Adapters Features irregular - Color: mainly black latest 5030 propeller, - Very strong prehistoric and light weight, to intuitive help improve the air-powered agriculture efficiency and stability,3 propeller-- easy to incentive install and to use succinctly?Quadcopter propeller 5030-- suitable crippling for most rc micro relieve quadcopters and multi-copters; material: hard plastic convex...