16 Pcs. Purple DAL PROPS 5045 (5 x 4.5) Bull Nose Propellers. Made from super tough glass reinforced polycarbonate. 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 Purple and 8 CCW Purple Propellers Authorized DAL PROP Retailer