Thunderhead 100 (5 Pack)
Hardened high carbon steel Trophy Tip® cuts on impact.  .027" thick stainless steel blades are ground, honed and stropped to surgical sharpness.  Patented black scooped-out Slimline® low-drag ferrule reduces clamping pressure for superior penetration and maximum strength.  Patented "O" Ring Blade Retention System design assures perfect head alignment and cushions blades on impact.  100 Grain.