Lansky BLSTCS12 Easy Grip Tungsten Carbide Sharpener (12 pieces in bowl). It's never been easier to put a razor-sharp edge on a knife. Just three or four strokes with the Easy Grip Sharpener will restore any blade to peak performance. The secret is a precision V-shaped tungsten carbide sharpening element in the head of the sharpener. Designed with an ergonomic grip, finger guard and thumb rest, the Easy Grip Sharpener is both safe and comfortable. By Lansky Sharpeners.