Our pottery trimming spinner tool is made of thick acrylic and the discs are made of metal, which is strong and , giving your pottery a longer life! Easy to use: Place it in the center of your workpiece to trim, no clay lugs required. This allows you to hold it firmly while rotating. Colored scale design: The precise multi-color scale design makes it easier to trim ceramics. The Ceramic Trimming Rotating Disc Wheel Tool is an essential tool for ceramic equalizing. 2.8mm x 120mm and 2.8mm x 80mm diameter acrylic discs. DIY trimming tools are designed for a variety of ceramic restorations. PROFESSIONAL POTTERY TOOLS: The pruning rotary tool for pottery work makes a great gift for yourself, family and friends! If you want to make extremely high-quality pottery, you'll love ceramic tools. When you receive your ceramic pruning tools, you need to remove the protective film before use.