Feature: 1. Automobile cylinder head polishing machine which can repair the abrasion and scratches of the cylinder and the inner wall of the cylinder that are deformed by high temperature and overheating reduce cylinder wear and improve engine power and efficiency 2. Made of hightoquality metal it can better deal with scratches better performance and no rust. 3. Threetoclaw design universal we have different sizes for sale. Glasses: material: metal Color as shown Specification type: 1to1 or 8 inches: Applicable range: 3 or 4 to 2to1 or 2 Weight: 108g Sharpening stone: 28x6mm The size of a 1toinch whetstone is 28x6mm The size of the 2toinch whetstone is 51x7mm The size of the 3toinch whetstone is 76x10mm The size of the 4toinch whetstone is 100x11mm packing list: Engine cylinder polishing toolx1 set Dear buyer. You can contact with us to get more detail of the goods .If you need more this item you can .we will give you our best price. Leave your message