Description: 100% brand new and high quality.Easy to installThis item can be used as replacement when the original propellers get damagedCompatible Model:MJX B3 Bugs RC Quadcopter DroneSize: 20cm x 26cm/7.88” x 10.23”(approx)Material: ABS plasticColor: Red,black,white,goldQuantity: 4 pcs/2 pairsNote:1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 4pcs x propellers (other accessories demo in the picture is not included.)