The FirstEdge TrackLock Modified Tanto Assisted Opening Knife is a precision, no nonsense knife with thumb stud one-handed assisted opening and is ideal for extra heavy-duty use. The Drop Point blade comes with a partially serrated blade. The knives are equipped with the FirstEdge TrackLock Locking Mechanism (patent pending). The TrackLock allows for fast and safe one-handed opening and closing of the folding blade with notable ease. FirstEdge Folding Knives are made with ELMAX Steel, a superior blade steel with extremely high wear resistance, superior corrosion resistance, high compressive strength, and excellent dimensional stability that retains size and form under heavy use.