The Gobbler Guillotine Diamond Edition 125 grain has a 3" X 3" full cutting width, four blades for huge margin of error! Solid titanium reversible blades! The diamond shaped blades allow such aerodynamic efficiency to provide pin point accuracy. Practice with field points....hunt with the Diamond Edition Guilloyine! No tools needed....using only your hands....just loosen up, align one blade over the other....tighten back up, and you are ready to hunt. 2 per pack.