Manufacture ID: 3051CPKa-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