Magnus Black Hornet 100gr Fixed Broadhead - 3 Pack - Made from knife-grade stainless steel, the Black Hornet comes razor-sharp out of the package. The ferrule is made from aircraft quality aluminum and is spin-tested within .002 thousands of a inch. The patented diamond trip provides bone splitting penetration on the worlds largest animals. Manufacturer Lifetime Warranty Main blade: .059in thick Bleeder Blade: .040in thick 1-5/16in long 1-1/4in wide