Colour:Black Material:Stainless steel Size:22.5*10.5*4.5cm Package Contents: 1*knife sharpener Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 4-stage sharpener is designed with a foucus point for your thumb,increasing the stability of the kitchen tools,so that you can put your thumb to the point and keep it still.Would be for your hand while sharpening;perfect both for right and left-handed. Compared to other knife sharpeners' base,ours are made of high quality silicone instead of cheap rubber,you'll NO LONGER worry its shaking back and forth when sharpening;rubber hanging ring design help save your place(hang it everywhere) Knife and Scissors Sharpener is designed with 3-step system,easy to use:1)simply pull your knife with 1st stage for repairing and straighening damaged bldes;2)The 2nd stage help restore knife's V-shape;3)The 3rd stage tunes for a clean polish.4)The 4th stage is designed for your scissors,open the two blades and pull it as you sharpe your knife. With our professional knife sharpener,you don't have to be a chef to like one! Crafted from solid ABS plastic,it's strong,,unlike other items,our chef knife sharpeners have passed the 3000-time service life test,which means if you have 5 knives,and sharpen them once a week,you can keep it for almost 11 years!(Those who tell you theirs can last a must be liers)