Magnus Stinger 150gr Fixed Broadhead - 3 Pack - The patented Stinger is one of the most popular in the Magnus product line. Made from knife-grade stainless steel, it is razor-sharp out of the package. The ferrule is made from aircraft quality aluminum and offer perfect flight because it is spin-tested within .002 thousands of a inch. The patented diamond tip provides bone splitting penetration on the worlds largest animals. Like all Magnus broadheads it comes with a Lifetime Replacement 150 grain 4-blade 2-3/16in Long x 1-1/8in Wide