Serrated cutting edge, notched top edge, plus line cutter Material of grip / Urethane Reinforced plastic for the lock button on the sheath With adjustable strap and buckle Strap and buckle are adjustable for perfect fit. The knife releases at a touch of the sheath lock button. Ergonomically designed sheath. Bio Rolled Stainless Steel (B.R.S.) B.R.S. is high tensile s/steel, stronger than titanium B.R.S. is rust free B.R.S. stays razor sharp.