MJX B2W B2C RC Quadcopter Spare Parts 20 Pcs Upgrade Self-tightening CW/CCW Propellers Description: Brand Name: MJX Item No.:B2W B2C Item Name: Upgrade Self-tightening Propellers Color: Red, Black,White Usage for MJX B2W B2C RC Quadcopter Package Included: 10 x CW Propeller 10 x CCW Propeller