Puma 890010 PFR X Tanto blade with powder coating German cutlery steel blade with partial serration- ice hardened for a more durable blade and rated 57-59 on the Rockwell Hardness Scale; some styles feature block powder coating. Button lock- releases the liner lock to close the knife; locks knife in position to reduce the risk of accidental closing Seat belt/ web cutter 3" closed, 4" overall