The Benchmade 580 Barrage's Axis Spring-Assist Opening And Locking Mechanism Has Been Updated To Be Stronger Than Its Predecessors By Providing A Safety Lock In Both The Opened And Closed Positions. The Ambidextrous Thumb-Stud Design Allows You To Easily Open And Close The Knife With Either Hand. Its Drop-Point, Stainless-Steel Blade Measures 3.6 In. And Has A Blade Hardness Of 58-61Hrc. Its Resin Handle Is Impervious To Moisture And Provides A Strong, Comfortable Frame That Is Easy To Handle. Reversible Pocket Clip Makes Storage And Transport Easy-Just Clip It On Your Pocket Or Belt And Go. 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: 154Cm Stainless Steel (See Below) Blade Hardness: 58-61Hrc Blade Style: Drop-Point; Ambidextrous Thumb-Studs (See Below) Weight: 4.20Oz. Clip: Reversible Bright Split Arrow Clip Lock Mechanism: Axis-Assist Lock (See Below) Overall Length: 8.35" Closed Length: 4.75" Sheath Material: Sold Separately Class: Blue (See Below) Other Benchmade Design - Made In The Usa 154Cm Stainless Steel - An American Made Premium Grade Stainless Steel Originally Developed For Tough Industrial Applications. Known For Its Best All-Around Qualities, It Offers Great Corrosion Resistance With Good Toughness And Edge Quality. Drop-Point - A Slow Convex-Curved Drop In The Point Characterizes A Drop-Point Blade. The Drop-Point Format Lowers The Point For Control But Adds Strength To The Tip. Usually Coupled With Plenty Of Belly For Slicing, This Format Is Often Used For Hunting Knives. It Is Also A Fantastic All-Around Blade Format. This Blade Shape Can Be Found On A Wide Array Of Knives. Axis-Assist - Another Patented Benchmade Exclusive. All Of The Advantages Of An Axis Lock Combined With The Power Of Coil Spring Assisted Opening. The Blade Is Started Open With The Thumb Lug, Then The Coil Spring Engages And Maintains Torque To The Fully Open Position. A Safety Can Be Engaged In Either The Open Or Closed Position For Added Security. Class - Blue Class Represents The Heart Of Everything That Is Benchmade. These Usa Made Products Are Designed And Built For The Individual Who Appreciates The Difference That A High-Quality Cutting Tool Can Make.