Faithful to the end: The roughest, toughest, smallest sharpener on the planet! 20 degree angle handles any edge you may require. Solid riveted aircraft frame coupled with two 91.3 HRC Tungsten bits that may be rotated should they ever get worn. Weighs only 1/2 oz. & sharpens everything from broadheads to hatchets. Can be bench mounted, worn round your neck or carried in wallet. Completely weather proof & no oiling required.