BENCH WIZARD Grooved Plastic Ring Mandrel is a highly versatile tool designed to accommodate a range of ring sizes. From intricate jewelry making to simple ring sizing, this tool is your go-to companion. Featuring USA ring sizes 1 - 15, with clear and graduated quarter increments, this mandrel allows you to work with precision and confidence. Whether you're crafting a delicate engagement ring or resizing an existing piece, the BENCH WIZARD Grooved Plastic Ring Mandrel has you covered. The key feature of this tool is its grooved design, which is specifically engineered for working with faceted or stone-set rings where the cutlet is exposed. This allows for a secure grip without damaging the precious stones or facets on your ring. Weighing just 1.8 ounces, this ring mandrel is incredibly lightweight and easy to handle, ensuring comfortable use during long crafting sessions. Despite its light weight, it's robust and sturdy, guaranteeing it can stand up to the demands of regular use. The mandrel is finished with a 1/4” hanging hole at the base, allowing you to conveniently store it away when not in use. The hole can also be used for mounting the mandrel to your workspace, offering increased stability while you work. Master the art of ring crafting and sizing with the BENCH WIZARD Grooved Plastic Ring Mandrel. It's an essential tool for jewelers and hobbyists alike, offering precision, versatility, and ease of use in one compact tool.