Innerloc CarbonTuner Broadhead 3 Blade 100 gr. 3 pk.. The InnerLock CarbonTuner Broadhead features a special process in which the blades are tempered which extends their life so you can keep coming back for more. It has an exclusive three blade 1 1/16 cutting diameter and our patented Center Locking System allowing you to precisely tune and align the broadheads to your carbon arrows resulting in flat arrow flight and dramatically improved groups. The special endur-edge tempering of the broadheads blades allow them to hold their edge significantly longer which in turn gives you more shots per hour. You are sure to get more shots per hour with the InnerLock CarbonTuner Broadhead. Package Contents: Innerloc CarbonTuner Broadhead Innerloc 3600: CarbonTuner Broadhead 3 Blade 100 gr. 3 pk.