http://i00.i.aliimg.com/img/pb/252/065/676/676065252_296.jpg

Features:
Brand new and high quality.
Constructed for park fly applications with direct drive brushless motors.
Accepts a 7.6mm hex nut on the front or rear of the propeller.
Model: 9050
Center hole size: 3.0mm
Color: orange.
Suitable for RC airplane.
Package size: 25 * 10 * 3cm / 9.8 * 3.9 * 1.2in
Package weight: 64g / 2.3oz

Package list:
5 * 9050 Propeller

http://i01.i.aliimg.com/img/pb/253/065/676/676065253_146.jpg