These Spring Assisted Models Combine Speed And Strength In One Complete Package. Specifications: Axis Assist Locking Mechanism Reversible Tip-Up Pocket Clip Features: Blade Length: 3.60" Blade Thickness: 0.121" Handle Thickness: 0.650" Blade Material: M390 Super Steel Blade Hardness: 60-62Hrc Blade Style: Drop-Point; Ambidextrous Thumb-Studs Weight: 4.20Oz. Pocket Clip: Reversible, Black, Tip-Up, Split Arrow Lock Mechanism: Axis-Assist Overall Length: 8.35" Closed Length: 4.75" Sheath Material: Sold Separately Class: Blue