Ergonomic plastic molded housing Finger guard and thumb rest Right or left handed use Designed to sharpen kitchen, work, or outdoor sporting knives in under 10 passes. Every steel is different: strokes and effort needed to sharpen may vary. Features an ergonomic plastic molded housing, finger guard and thumb rest. Right or left handed use. DO NOT use heavy pressure, it will risk damaging your blade, sharpener or injuring the user.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }