8 Sets Black and Red DAL 5045 (5 x 4.5) Bull Nose Propeller. Made From Special Poly Carbonate Glass Injection Material. 16 PCS (8 CW and 8 CCW) Virtually Unbreakable 5045 Bull Nose Propellers: Special Glass + PC Injection Holds up to most impacts. Won't snap or crack as bad as other props. Works with most 180mm to 310mm mini quadcopters Hubs: 5mm Shape: Bull Nose Includes: 4 CW Black, 4CW Red and 4 CCW Black, 4CCW Red Propellers