Be confident in the reliability of your rear-deploying broadhead. The KillZones patented spring clips eliminate the need for O-rings, ensuring your blades stay closed until the broadhead impacts the target. The two-blade design slices up to a 2-dia. wound channel for game-dropping performance. Cut-on-contact tip for extreme cutting and penetration. Per 3. Weight: 100 gr., 125 gr. (not shown).Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Mechanical Broadheads.