8 Pcs DAL 5045 (5.0 x 4.5) Tri-Blade Bull Nose. Blue. 4CW and 4CCW. Special Poly Carbon Glass Injection Material DAL Props 5045 Tri-Blade Bull Nose: Special Glass + PC Injection Holds up to most impacts. Will fit most 150mm to 300mm mini quadcopters. Hubs: 5mm, Shape: Bull Nose Tri-Blade Includes: 4 CW Blue and 4 CCW Blue Authorized DAL PROP Retailer