Zero Tech 16005 Propeller Set Xplorer Drone (4) Vehicle FEATURES: Flexible plastic construction, black in color Arrows near hub indicate direction of rotation INCLUDES: Two Clockwise Rotating Propellers Two Counterclockwise Rotating Propellers jxs 12/02/15 ir/jxs INCLUDES: Two Clockwise Rotating Propellers Two Counterclockwise Rotating Propellers jxs 12/02/15 ir/jxs