1Strong Thrust: This RC 1306 3100KV brushless motor provides more powerful thrust and higher performance than ordinary brushless motor. 2Portable Size: This RC 1306 3100KV brushless motor is small and lightweight, which is very easy to carry, no burden to your RC aircraft. 3Stable Performance: This RC 1306 3100KV brushless motor with high and stable performance ensures low noise when running. 4Easy Replacement: This RC 1306 3100KV brushless motor is convenient to replace damaged and broken parts, easy to operate. 5Premium Metal: This RC 1306 3100KV brushless motor adopts premium aluminium alloy and brass material, sturdy and durable. Item Type: RC 1306 3100KV Brushless Motor Material: Aluminium Alloy and Brass Color: Black Motor Height: Approx. 13mm / 0.51in (Shaft Not Included) Motor Diameter: Approx. 20mm / 0.78in The Diameter of Axle: Approx. 5mm / 0.19in KV: 3100 KV Specifications: CW (Clockwise), CCW (Reverse) Each Application: Model Aircraft, Multi Rotor Quadcopter 2 x RC 1306 3100KV Brushless Motor2Pcs RC 1306 3100KV Brushless Motor Strong Thrust Low Noise Stable Portable Durable RC Aircraft Brushless Motor SZRH A-F