Features: Crafted from aluminum alloy, this sand casting sandbox offer heat resistance and efficient heat dissipation for jewelry casting. The cylindrical designs features 24mm round hole and portable size to ensures controlled metal flows during jewelry repair or customes jewelry creation. Designs for professional jewelers, metalworkers, and enthusiasts seek tool for intricate metal casting projects. Addition for workshops, jewelry studios, or repair shops needing heat resistant container to safely melt and shape small metal components like rings or pendants. Its sturdy aluminum construction withstands repeated high temperature use, making it indispensable for crafting detailed accessories or restoring vintage jewelry pieces. Specifications: Materials: Aluminum Alloy Size: 6.7x7.2cm/2.64x2.83inch Package Includes: 1pc Sandbox Mold note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.