SPRING ASSISTED FOLDING + FAST OPENING 2-IN-1 Brass Knuckle Pocket Knife Fast Spring Assisted Opening Aircraft Gray/Black Anodized Combination Edge (Fine + Serrated) Removable Pocket Clip Integrated Glass Breaker Liner Lock Mechanism to keep the blade locked in place when open SPECS Overall Length (opened): 8.75" Blade Length: 3.5" Handle Length: 5" This Bad Boy Means Business. Devastating crushing power coupled with a sharp blade. Just the sight of this piece is enough to make them think twice. The knuckle side hinges open to activate the assisted open blade. Ingenious Design. With a love for knives in hearts and brilliance in minds, brass knuckle fast spring assisted folding trench knife is designed to surprise the knife collectors. The knife has a devastating crushing power that is activated with a sharp sleek blade. With an elegant design and the sharpness of the blade, it has an aircraft of gray. The fast spring assisted opening gives it a fast opening and secure deployment in your pocket. With a 5” long brass knuckle handle, it has holes for fingers to give you resilient control. The knife has a 3.5” long blade with a consolidation of flat and saw-toothed edges. Its duality in the blade edges multiplies its function and overall performance with optimal efficiency. Not just being used for knife purposes, it is also proficiently used for breaking glass. From unpacking to carving or sculpting, the versatility of the blade can do any task. With versatility in function, it is one of the best choices among pocket knives. The ingenious design of the blade and the exclusivity of its handle make this knife the best pocket knife.