Spitfire is undoubtedly the most trusted name in mechanical broadheads! Spitfires fly straight with pinpoint accuracy and preform better than any other mechanical thanks to the sharpest Diamizeﾪﾒ blades, and they stand up under the toughest conditions. The practice blades mean you can save your super-sharp blades for the big day.- Patented Silver Bullet Point- The patented scooped out Slimlineﾪﾒ ferrule improves flight and penetration.- Our patented snap-locking blade system holds the blades closed during flight, even out of today's fastest bows - no rubber bands needed- Spitfire practice blades - save the super sharp blades for the field.