About This QUALITY CONSTRUCTION: Made with tungsten steel rods to repair damaged edges and ceramic rods for honing to a razor sharp edge SUPERIOR DESIGN: Small and portable size makes it convenient to take with you anywhere, perfect for sharpening on the go BEST USE: Keep your cutlery sharp and operating at peak performance. For best results, use pocket sharpener as needed to maintain knife edge EASY CARE: Carefully wash by hand with warm water and mild soap; rinse and dry completely with a soft towel. Do not place in dishwasher or submerge for long periods of time MERCER CULINARY: Mercer continues to introduce innovative, quality products allowing foodservice operations to run effectively and efficiently; perfect for professional use or the home cooking enthusiast Overview Material : Plastic Brand : Mercer Culinary Color : Gray Product Dimensions : 2.87"L x 2.87"W x 0.94"H Item Weight : 0.04 Kilograms Grit Type : Coarse,Fine Number of Items : 1 Manufacturer : Mercer Culinary Global Trade Identification Number : 00765301909192 UPC : 765301909192