4CW and 4CCW GemFan Master Series 5045 (5.0 x 4.5) Bull Nose Tri Blade. Green GemFan Master Series 5045 (5.0 x 4.5) Bull Nose Tri Blade. Material: Plastic Composite Hubs: 5mm, Shape: Bull Nose Includes: 4 CW Green and 4 CCW Green Authorized GemFan Retailer. Direct from Factory.