The Stainless Steel Ergo Steel II from Cozzini straightens and prolongs the edge life of knives. The Ergo II consists of an all stainless steel design for improved hygiene and durability. The electro polished finish reduces product adhesion and contamination build up. - Compact, open design to reduce surface area. - Wide knife entrance easily guides the blade to the 4 alignment rods for a perfect edge in seconds. - Specially developed flexible stainless steel alignment rods provide superior durability for straightening knife edges. - Aligns both sides of the blade simultaneously. - Ideal for knives of any length.