The 100 grain savage Mechanical broad head is the most accurate, deepest penetrating Mechanical broad head in the world. Less drag on deployment results in devastating penetration and total cut. The savage Mechanical may be used with standard compound bows, performance compound bows and crossbows, as well as high speed crossbows. Firelock fact technology eliminates thread slop and s the broad head is 100% concentric to the arrow shaft insert. Hits like a Ram, cuts like a cat.