Features: Elevates engine performances with our 277 emery pastes, a versatiled valves and cylinder grinding solution designed for precise and efficiency. Perfect for engine maintenance tasks, this grinding pastes is a go to choice for polishing and repairing valves and cylinders to optimally condition. Extend the life of your engine parts with our wear resistant emery pastes, ensuring smooth operation and improved combustion efficiency. This grinding steel pastes adopts imported carbon silicon compound, emery, and a variety of rustproof drainage of strong raws materials and other composites. Suitable for die, hard metal grinding, finishing, polishing or multi-grinding maintenance and use of valves for gas and diesels engines. Specifications: Size:Approx.98x32x58mm/3.86x1.26x2.28inch One side Coarse pre grinding pastes for effortlessly grinding One side Fine regrinding pastes for fast and effective Product Features: Remove metal surfaces contamination Grinding and polishing metal surfaces Antioxidation protection of metal surfaces layer Environmental protection, nonflammable, nondamaging metal surfaces Package Includes: 1 Box Engine Polishing Compound note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.