Three blade fixed blade broadhead features exclusive Blade Alignment Technology with the patented Center Locking System allowing you to tune and align the broadheads to your carbon arrows with a simple twist of the tuning stud, flattening arrow flight and dramatically improving groups. Special Endur-Edge tempering process helps the blade hold its edge longer. 3-blade, 1-1/16" cutting diameter. Innerlock design with Blade Alignment Technology for tuning with carbon arrows Fingertip tuning with no heat or glue 1 1/16" cutting diameter .027" blade thickness