Scoundrel Alloy Balisong Butterfly Knife Black on Black Blade Scoundrel Alloy Balisong Butterfly Knife with skeletonized handle and features a quick action and locking mechanism at the back. Specifications Overall Length: 8.75 Inches Blade Length: 4 Inches Closed Length: 5.25 Inches Blade Material: 440 Stainless Steel, Heat Treated Blade Thickness: 2.75mm Sharpness & Functionality: Very Sharp, Functional Flip-Flop Knife Blade Features: Drop Point, Angled Upper Edge Handles: Aluminum Alloy, Hard Surface Finishing Other Features: Lock Back, Brass Rivets Finish: Black Handle Design