8 Sets Black DAL 5045 (5 x 4.5) Bull Nose Propeller. Made From Special Poly Carbonate Glass Injection Material. 16 PCS (8 CW and 8 CCW) Pre-balanced, "indestructible" 5045 ( 5.0 x 4.5) propellers made from super tough glass reinforced polycarbonate. Will fit most 200mm to 250mm mini quadcopters. Hubs: 5mm, Shape: Bull Nose Includes: 8 CW Black and 8 CCW Black Propellers Authorized DAL PROP Retailer