Latin For 'diamond'. Greek For 'invincible' Or 'unconquerable'. Specifications: Skeletonized Handle Construction Drop-Point Blade Style With Serrations On Spine Injected Molded Sheath With Secondary Locking Strap And Tension Screw Features: Blade Length: 4.20" Blade Thickness: 0.170" Handle Thickness: 0.170" Blade Material: D2 Tool Steel Blade Hardness: 60-62Hrc Blade Style: Drop-Point Weight: 5.60Oz. Pocket Clip: No Clip; Sheath Included Lock Mechanism: Fixed Overall Length: 9.03" Sheath Material: Injection Molded Class: Black