The jeweler's saw frame, bench pin clamp, and wooden ring clamp are made of sturdy materials to long-lasting use and reliable performance for intricate jewelry work. the ring mandrel sizer is in US size 0-13, which could quickly figure out the sizes of rings and fingers; they are designed for ring size measurement, work well for the ring forming, shaping easily. Includes a jeweler's saw frame with assorted blades, a bench pin with clamp, a wooden ring clamp,10 needle files, a wire cutter, and ring sizer mandrel measuring tools for jewelry making. The jewelry measuring tool offers a wide range of tools for various tasks, from sawing and filing to and metal shaping, allowing for precise and detailed craftsmanship. Whether you're a hobbyist or a professional jeweler, this comprehensive jewelry making set provides the essential tools needed for intricate and delicate work, making it a versatile and practical choice for a wide range of users.