Precision machined from knife-grade stainless steel and sporting an aircraft aluminum ferrule, Magnus Stingers fly true out of the fastest bows. The diamond tip gives extreme strength for bone-splitting penetration. Resharpenable, replaceable main blade. .042 -thick main blade. 100 grain. Per 3.Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fixed-Blade Broadheads.