Innerloc’s innovative Blade Alignment Technology (BAT) allows for precise tuning of broadheads to your carbon arrows. The Carbon Tuner offers all the features you've come to appreciate, now with enhanced .027" blades, BAT technology, and a stylish "Blood Trail" anodized finish. It’s the ideal tuning solution for your carbon arrows, featuring a cutting diameter of 1 1/16" and available in a pack of three, each weighing 100 grains.