Be confident in your purchase, we are a certified MADI Dealer. How cool is that?? Features: Replaceable Blade Ships with a Protective Sheath Highest Grade Stainless Steel Blade for Maximum Durability for the Toughest Insulation Pointed Angled Blade Design for Maximum Sharpness Base Made out of Aluminum Fits All Shotguns Fits All Universal / Switch Sticks Engineered with top-of-the-line features and built to withstand the toughest insulation challenges, the Madi Universal Shotgun Lineman Skinning Knife is a must-have for professional linemen.