- Application: This electric valve grinding tool set is designed for both professional mechanics and DIY enthusiasts, streamlining engine valve maintenance and enhancing efficiency in auto repairs. - Durable Material: Crafted from high-quality metal, this valve lapping tool set is built for longevity, ensuring it withstands the demands of regular use in both professional and home garage environments. - Versatile Sizes: The set includes a variety of cup sizes (16/20/30/35/45 mm), accommodating different valve dimensions. This versatility makes it an essential addition to any auto repair toolkit. - Complete Package: The kit comes with all necessary tools to handle various valve grinding tasks effortlessly, providing everything you need to achieve optimal performance. Use Scenarios: 1. Ideal for precision valve grinding during engine rebuilds, ensuring a perfect seal for improved engine performance. 2. Perfect for routine maintenance in your garage, allowing for smoother operation and longevity of engine components. 3. Suitable for custom modifications, enabling enthusiasts to achieve desired specifications in their engine setups.