Be confident in your purchase, we are a certified MADI Dealer. How cool is that?? Features: Tool-less Blade Change Over-size Blade Release Button Ergonomic Handle for Secure Grip Blade Locks Open Push Thumb Stud To Open Push LOCKBACK To Close ? Enables Quick One-handed Opening and Secure Closing with Work Gloves On Uses Standard Utility Blades Reversible Belt Clip Introducing hte MADI LB-UK Lockback Quick Change Utility Lineman Knife, made by linemen, for linemen. Features a over-size blade release button made specifically for easy one-handed operation with work gloves on.