Stay On The Cutting Edge With Cuisinart! Quality kitchen knives are an investment and Cuisinart helps protect this investment with a new, forged double-rivet sharpener. This 9" tool features superior high-carbon stainless steel for perfect blade realignment and edge retention. The edge slot’s coarse surface is ideal for sharpening dull or damaged knives, while the honing slot is fine for maintaining, honing and finishing knife edges. Cuisinart makes it easy to stay sharp in the kitchen.