The broadhead that rewrote the book on how a mechanical broadhead should perform. It combines the speed and accuracy of a mechanical head with the bone-splitting durability of trocar tips and fixed blades. All grain weights have a full 1-3/8 cutting diameter. All blades use Maxx-Edge SS technology, which has .035 thickness blades necked down to .020 thickness for backbone and maximum sharpness. Per 3. Available: 85 grain, 100 grain.Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Mechanical Broadheads.