Premium Fused Quartz Crucibles: Designed with Advanced Technology, Our Crucibles Withstand Temperatures Up to 3272F (1800C) for Dependable High-Temperature Melting. Features Include a Stainless Steel Handle for Ease of Use. Versatile Crucible Set: This Kit Features four 250g Crucible Dishes and Two 600g Dishes, Along with Two Stainless Steel Tongs (Whip Handle 2A), Offering a Complete Solution for Accurate Metal Melting. Suitable for a of Metals and Alloys, These Crucibles are Essential for All Your Casting Needs. Ergonomic Design: Our Crucibles Feature Tapered Sidewalls and a Spout for Easy Material Removal and Efficient Pouring, Ensuring a More Productive and Effortless Workflow. Versatile Use: perfect for Casting Processes, Our Crucibles Handle Metals Like , Gold, Silver, and Alloys with Ease, Promising Consistent Quality for Any Project. Pro Tips: Enhance your quartz cruciblesand' efficiency by gradual heating and pre-use borax glazing. These practices and prolong the cruciblesand' lifespan. Material: quartz+metal Color: as shown Package Contents: 1 set gold melting kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.