4Pairs Green 8045 8x4.5 CW CCW Propeller Quad-rotor Quadcopter, (US

Product Description: Quadroter/Quadcopter CW CCW Propeller Size:                  8"x4.5"  (8045) Color:                Green Material:            Nylon Weight:              11g/Pair Washer Set:        3 / 3.2 / 3.5 / 4 / 4.8 / 5 / 6 / 6.35mm   Package Includes: 4Pairs of 8x4.5  Quadroter/Quadcopter CW CCW Propeller 8Sets of Washers CAUTION Propellers come with varies types of purposes; users should following the instructions listed below for safety. Failure to follow these safety precautions may result in injury to yourself and others. 1. Please run your propeller with proper power system, and please do some necessary adjustment with test of static/dynamic balance. 2. When the Power System is operating, please do make sure that there is no one standing in front or on either the side of it (or the intake of the ducted fan power system), in case the unit flying off unexpectedly and causing danger. 3. If there are cracks or any structural damages on the propeller, please replace it as soon as possible to prevent projectile hazard/danger or crashing the plane. 4. Before flying, please make sure the propeller is securely fastened and lined up to the motor/engine shaft. 5. Please make sure the runway is clean and free of object; it could cause danger to plane and surrounding people. 6. This guide is also applicable to Ducted Fan powered units
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Returns Accepted for this item if it's within 30 Days