New Archery Products Killzone Cut On Contact 100gr Expandable Broadhead - 3 Pack - The Killzone is a 2 blade rear-deploying mechanical broadhead that packs a devastating 2in 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. 2 Blade Rear Deploying Mechanical Broadhead Field Point Accurate Spring-Clip Design No O-Rings Or Rubber Bands Cut On Contact Point 2in Cutting Diameter