It’s the most monumental development in broadhead technology since the original Gravedigger. The new Gravedigger Extreme Hybrid Mechanical broadhead delivers even more devastating results. With hardened stainless steel blades that create a deadly 2¼” cutting diameter, this blade penetrates the hide and then deploys inside for maximum blood loss. 1¼”cutting diameter main blade 2 ¼” cutting diameter mechanical blades Chisel Tip & Cut on Contact versions 420 Stainless Steel Blades 7075 Aircraft Aluminum ferrule Patented Blade Retention System No rubber bands or O-rings Guaranteed to cut no matter what No failure broadhead True field-point accuracy