The Work Sharp Rolling Knife Sharpener provides four sharpening angles for versatile kitchen knife maintenance and precise edges in your daily kitchen routine.Designed to fit a busy kitchen, this sharpener handles Chef, Santoku, carving and more, ensuring you can sharpen a wide range of knives with consistent results. The four angles give you options for edge geometry across different blades and steels, supporting safer, more precise cuts during daily cooking tasks.Three sharpening abrasives cover rough to fine edges: a coarse 320-grit diamond, a fine 600-grit diamond, and fine ceramic. This mix helps restore edges to a razor-sharp condition across a variety of blade types and daily tasks.Compact size fits in a kitchen drawer keeping it within reach for routine sharpening. A 3-year warranty backs Work Sharp sharpeners, while the design is described as Oregon-based with calibration in Ashland, Oregon to help ensure quality control. Features: Four sharpening angles 15°, 17°, 20°, 25° for a wide range of blades Three sharpening abrasives include 320-grit coarse diamond 600-grit diamond and fine ceramic Compact size suitable for kitchen drawer storage 3-year warranty on Work Sharp sharpeners Designed engineered calibrated in Oregon with Ashland, Oregon oversight