Effective and fast， it sharpens your knife from blunt to razor sharp in 4 strokes or less.Emery for rough sharpening， wolfram steel for mild sharpening， and ceramic for fine honing.ABS plastic handle offers you a firm grip， and the ergonomic design suits your palm pretty well.Durable and solid， high quality components guarantee long time usage， so buy with confidence.Suitable for most kinds of knives: kitchen knives， camping knives， pocket knives， hunting knives etc.