The KillzoneA(R) is a 2 blade rear-deploying mechanical broadhead that packs a devastating 2a ^2 cutting diameter. The field-point accurate Killzone uses NAP's unique spring-clip design which ensures your blades won't open in flight or in your quiver. There are no o-rings or rubber bands to worry about. Hardened steel bone-crushing Trophy Tip 100 grain 2" cutting diameter Advanced rear-deploying broadhead Ultra-sharp curved blades enhance cutting performance Devastating entry and exit wounds for quicker recoveries .035" thick black nickel-coated stainless-steel blades Durable 7075 aluminum ferrules 3 pack Order today!