Crimson Raptor cut-on-contact mechanical features a frictionless blade deployment system, no rubber bands or o-rings. The power-assisted inertia-trigger cam deploys the blades on impact creating the only frictionless blade deployment system. No more energy loss. 59.8? Offset Kore-Kut blades blast huge holes. .040" stainless steel main blade, .030" deployable blades. 1-1/2" cutting diameter for 100 grains, 2" cutting diameter for 125 grains.