Features: Crafted from black lead, the crucible molds are engineered for high temperature resistance and durability, ensuring a reliable melting experience for metals. These crucible molds feature a nonstick bottom designs for easy cleaning and an eye catching shape form that adds uniqueness to your metal creations. Suitable for jewelry makers, hobbyists, and metalworking professionals looking to refine their craft with precisions casting tools. Perfect for home projects, jewelry crafting, or industrial production, these molds facilitate the creation of gold bars, silver ingots, and metal products with ease. Enhances your metalworking skills with these versatile molds, designed to withstanding wear and breakage while helping you shape various metal forms to perfections. Specifications: Texture: Black Lead A Size: Approx. 3.94x3.94inch(10x10cm) B Size: Approx. 3.94x5.91inch(10x15cm) C Size: Approx. 3.94x5.91inch(10x15cm) Package Includes: 1x Mold 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.