Professional knife sharpener in plastic housing. For the professional sharpening, deburring, and honing of all types of knives. Sharpens both straight and serrated blades. Suitable for all knives, from household and Asian knives to kitchen, sports, and pocket knives. The machine works in 3 steps: 100% diamond sharpening discs in step 1, extra hard miniature sharpening steel in step 2, and flexible polishing discs in step 3. The machine provides an optimal edge for every cutting task and precision angle guides for maximum ease of use.