Like most items in the Winkler Knives product line, the WK Crusher Belt Knife was designed to meet the needs of an active duty Special Operations Team. A group from Naval Special Warfare familiar with the uncompromising performance of the WK Belt Knife wanted the same attributes in a knife with glass breaking capabilities. This is it. The rounded, integral extended tang meets the need and is comfortable to carry. Knife Specifications Blade steel: 80CrV2 Black oxide no-glare finish Blade length: 4 1/2" Overall length: 9 1/2" Blade thickness: 3/16" Full skeletonized tang Thumb index file work Sheath Lined Kydex® with leather cover Designed for multiple carry options. Excellent condition. Comes with original box, papers and black leather sheath with clip. Excellent condition.