The CRKT M16-13 Zytel Combination Edge knife is a full sized utility knife designed for practical day to day use. For years the M16 family of knives have been the most popular in the CRKT product line. The M16-13Z has built this user base through its rugged reliability and steadfast quality workmanship. CRKT has built the M16-13Z with AUS 4 high-carbon stainless steel for the blades to give greater everyday utility. The balde is covered with InterFrame construction, tough, textured ZytelŪ scales over a 420J2 stainless steel liner InterFrame to give added strength and durability. If you need a knife for everyday work or field blade that won't disappoint you, the CRKT M16-04 Zytel is the blade you are looking for.