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 high-quality metal it can better deal with scratches better performance and no rust. 3. Three-claw design universal we have different sizes for sale. Glasses: material: metal Color as shown Specification type: 1-1\/8 inches: Applicable range: 3\/4 to 2-1\/2 Weight: 108g Sharpening stone: 28*6mm The size of a 1-inch whetstone is 28*6mm The size of the 2-inch whetstone is 51*7mm The size of the 3-inch whetstone is 76*10mm The size of the 4-inch whetstone is 100*11mm packing list: Engine cylinder polishing tool*1 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