Excalibur�s Trailblazers 100 Grain Mechanical Broadheads are the natural choice when you need outstanding long range accuracy delivering deep penetration and a massive blood trail. They are the perfect combination of fast, accurate, and deadly. These broadheads are designed specifically for crossbows up to 500 FPS and feature a 1.75 inch 3 blade massive wound channel. They also flatter trajectory with zero planning and less wind drage with pin point long range accuracy. These broadheads are guaranteed not to open on high speed crossbows and use no o-rings or rubber bands.