It's the only sharpener you'll ever need.Sharpen all your household appliances and heavey-duty tools with ease. Works on scissors,kitchen knives,pruning sheers,lawn-mower blades,electric peelers,snow skis and even serrated knives.It;s made for any blade!Ergonomic handle for use in right or left hands.ABS plastic,tungsten carbide steel. Smurou Shark