Hardened steel Trocar Tip for maximum penetration and enhanced flight stability Blade system switches from hunting blades to practice blades in seconds Blades interlock in aluminum ferrule for additional stability Vented .020'' stainless steel blades 6 Pack, Made in the USA 6 Pack Muzzy 4-Blade Fixed-Blade Broad heads are hollow-ground, hardened steel Trocar Tips cut on impact and shatter heavy bone for maximum penetration while minimizing wind planning and enhancing arrow stability in flight. Unique blade system lets you change from practice to hunting blades in seconds. Vented .020" stainless steel blades lock into slotted aluminum ferrule with patented locking system. Six pack.
I was a little skeptical of some of the user comments, specifically about the penetration and possible going through a deer. I can personally vouch for the cutting power of these broad heads. I tagged a 210 buck @ 30 yards and the arrow went cleanly through (I'm using a Ghost 350).