A true Handmade Balisong Practice Flipper Butterfly Knife that is carved out and tooled by hand from stainless steel alloy. The blade edge is not sharp, making it perfect for practice flipping, but it does feature an angled grind that could be sharpened out to make a good blade, where legal. At the rear you will find a locking mechanism that keeps the knife open or closed. Specifications Overall Length: 9 Inches Blade Length: 4 Inches Closed Length: 5.4 Inches Blade Material: Stainless Steel Alloy Blade Thickness: 3mm Sharpness & Functionality: Unsharpened, Angled Edge, Ready to Sharpen Blade Features: Single Edge, Drop Point Handle: Stainless Steel Alloy Other Features: Each Piece is Tooled Out by Hand & will Show Some Tooling Marks & Variation Includes: Rear Handle Lock Finish: Bare Stainless