SIKs F4 Fixed-Blade Broadhead gives bowhunters a whole new level of broadhead performance. Designed to offer superior performance in flight with unmatched penetration and wound channels, this laser-welded stainless steel broadhead features a 0.04 cut-on-contact main blade with 0.03 bleeder blade to deliver a 1.3/8 cutting diameter. 27 razor-honed edge angle on the full blade enables the F4 to cut forward or backward. Technologically-engineered design provides field-point accuracy with tremendous cutting power for nothing but clean harvests. Per 3. Cutting dia: 1-3/8. Wt: 100 grain. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fixed-Blade Broadheads.