Ka-Bar Mule folder, serrated (4-3051cp-0). the answer to your requests for a heavy duty folding knife, the sturdy construction and pure heft of this folder allow it to hold up under even the most severe conditions. Features: - weight: 0.45 lb. - blade type: folder - measurements: - blade length: 3-7/8" - overall length: 9-1/8" - edge angles: 15 degrees - shape: clip - steel: AUS 8A stainless steel - lock style: lockback - grind: hollow - handle material: Zytel - HRc: 57-59CR - blade thickness: 0.135