Buck Portable Diamond Sharpening System. Measures 6 1/4" x 2 1/8". Dual Grit - one side fine, one side coarse. Features Micro-Tool Sharpening Pad which allows sharpening of small tools and instruments that require an uninterrupted surface. Fish hook groove. Built-in lanyard for easy access and carrying. Protective black ABS casing doubles as convenient handle. Lightweight, compact and durable. Hang packaged. Made in China.