Corona Sharpening Tool, Garden Tool Blade Sharpener, AC 8300 IDEAL FOR SHARPENING ALL STRAIGHT BLADES: Excludes saw blades. SMALL, CONVENIENT SIZE: Easily fits in a pocket or tool bag. NON-SLIP GRIP FOR EASY USE: Rubber grip helps prevent slipping, keeping you safe while shapening. 5" SUPER CARBIDE FILE: File is durable and designed to be comforable to hold. LIFETIME LIMITED WARRANTY