WITH A PUSH OF A BUTTON: Our sharpener is a fully guided sharpener that automates the sharpening of your knives for an even angle and perfectly sharpens your knife every time. PROFESSIONAL & PREMIUM: Sharpen dull knives with premium abrasives and maintain sharp edges daily with the built-in ceramic hone wheel. FOR THE PROFESSIONAL: The E2 is designed to sharpen the highest-quality knife steels, including all kitchen knives, serrated edges, scissors, and shears. 3-YEAR WARRANTY: All Work Sharp sharpeners come with a comprehensive 3-year warranty. Each knife & tool sharpener is meticulously designed and quality-checked at our Oregon facility. We proudly stand behind our products. DESIGNED, ENGINEERED, & CALIBRATED IN OREGON: We design, engineer, and calibrate our sharpening machines all under one roof in Ashland, Oregon & ensure our products are sourced from the highest caliber manufacturers, both in the USA and globally.