The Metal Upper Thin Plate is a versatile and reliable product that can be used for both Aluminum master lap and plastic master lap. It is designed to used the diamond laps comes on the without metal master laps,It comes with comes with a self-adhesive backing that makes it easy to stick to the aluminum or plastic master lap.One of the key benefits of this product is that it comes with none diamond, which means that it can be used with our magnetic backed diamond disks. This makes it an ideal choice for those who need to work with diamond disks on a regular basis, as it allows for easy and efficient use of these disks.Another advantage of the Metal Upper Thin Plate is plated by nickel without diamond to save more money,that it can be ihe 6 inch and 8 inch diameter without hole or full face. This means that you can use it with different hole size of master lap heads, depending on your specific needs and preferences.Overall, the Metal Upper Thin Plate is a high-quality product that is designed to provide reliable and efficient performance. Whether you are a professional lapidary or a hobbyist, this product is sure to meet your needs and help you achieve the best possible results in your work. So if you are looking for a top-quality Metal Upper Thin Plate, be sure to check out our range of products today!