8 Pcs DAL PROPS T5045BN (5.0 x 4.5) Tri-Blade Bull Nose. Black. 4CW and 4CCW. Special Poly Carbon Glass Injection Material DAL PROPS T5050C Tri-Blade Cyclone: Special Glass + PC Injection Holds up to most impacts. Will fit most 200mm to 300mm mini quadcopters. Hubs: 5mm, Shape: Cyclone Includes: 4 CW Crystal Green and 4 CCW Crystal Green Authorized DAL PROP Dealer