Magnus Black Hornet Replacement Main Blade. Compatible with both 2-blade and 4-blade models these 150-grain replacements ensure your equipment remains razor-sharp and reliable. Specifications for Magnus Black Hornet Replacement Main Blade: Manufacturer: Magnus Color: Black Features of Magnus Black Hornet Replacement Main Blade: Replacement main blades for Black Hornet Ser Razor broadheads Compatible with both 2-blade and 4-blade 150-grain models Ensures maintained sharpness and precision Pack includes three blades with a Lifetime Guarantee Advised to spin test for true flight post-replacement Package Contents: Magnus Black Hornet Replacement Main Blade