Magnus Black Hornet Four-Blade Broadhead is a fixed-blade, cut-on-contact broadhead that features a 1-1/4 cutting dia. on the main blade and a 7/8 cutting dia. on the bleeder blade. Main blade features a thickness of .059 and the bleeder blade features a .040 thickness. Made of knife-grade stainless steel with a patented diamond tip. Made in USA. Per 3. Cutting dia: 1-1/4. Wt: 100 gr. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fixed-Blade Broadheads.