This sharpener is made from micro-interlock diamonds electro-bonded to create a lightweight but strong shaft that sharpens and realigns, producing a professional edge everytime. This piece provides an easy to handle, safe and durable way to sharpen your knives. Colors/finish: Silver/black Materials: 18/10 stainless steel and micro-interlocked diamonds Quantity: One (1) Dimensions: 1 inches high x 15 inches wide x 2.25 inches deep Dishwasher safe