Crafted using solid, one-piece MonoFlow technology, the three-blade Montec not only offers incredible bone-splitting strength, but also delivers exceptionally consistent, target-point-like accuracy as well. A cut-on-impact tip ensures deep penetration in even the heaviest game animals. The ultrasharp, multitapered blades leave a devastating wound channel, and theyre easily resharpened. They are made of strong stainless steel. Per 3. Product Specifications 100 grain - 1-1/16 cutting diameter. 125 grain - 1-1/8 cutting diameter.