Convex-carbide - quickly creates a durable convex cutting edge on any knife/steel. Controlled sharpening - pivot response follows the curve of the knife for a consistent angle and edge across the entire blade. Sharpening Angles 25°. Ceramic hone - hones/re-sharpens any blade steel quickly and easily with just a few passes. Diamond taper rod - sharpens serrations and fine edge tools with durable medium grit diamond. On the go - compact, easy to use knife sharpener to quickly and easily maintain any knife edge anywhere, anytime., Weight: 0.075 pounds, Manufacturer: WORK SHARP