The Vevor 4-arm cup turner is designed for DIY glitter crafts and tumbler making, allowing you to work on multiple cups at once. It features four independently controlled arms with two speed options for smoother resin and epoxy application. The aluminum alloy and silicone construction helps provide stable, quiet operation for extended crafting sessions. Adjustable holders fit a wide range of cup sizes, making it suitable for tumblers, ceramics, and glass craft projects. This kit is built for quick assembly and convenient everyday use.