Features: Elevates your metal casting experience with our crucible set, designed for superior melting and refining of gold, silver, copper, brass, and aluminum. Crafted from quartz and alloy, our crucibles offer exceptional heat resistance and stability, while the included tongs handle ensures precise pouring with its ergonomic designs. Suitable for jewelers, metalsmiths, hobbyists, and lab technicians, this set is important for professional seeking tool for their smelting and casting needs. Whether in a jewelry workshop, studio, or laboratory setting, our crucible set facilitates the creation and experimentation of jewelry designs and metallurgical research. Experience consistent performances and durability with our crucibles' strong springs and tapered sides, making them suitable for people who value precisions and longevity in their craft. Specifications: Texture: Quartz, Alloy Size: As Pictures Show Package Includes: 1 Set Melting Bowl Set note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.