Corona AL 8311 High-Performance Vine Lopper, 16-Inch Lightweight, high-strength elliptical 16-inch aluminum handles Resharpenable, replaceable, Dual Arc bypass blade of fully heat-treated forged steel Forged, slant-ground hook with self-cleaning, deep sap groove New and improved locking nut eliminates nut-retaining clip Unmatched blade design dramatically reduces force to cut MAXIMUM PERFORMANCE Forging compacts steel molecules into the strongest, most durable tools, that last and hold a sharp edge longer and can easily be resharpened