You receive 8 pieces quartz crucible bowls and 2 stainless steel tongs, 2 with whip handles, a total of 10 pieces crucible set, which be very convenient for your melting, casting or refining of metals, jewelry, gold, silver and DIY needs for other materials The diameter of the crucible is 6.5 cm for 100 g capacity and 250 g capacity. Ceramic crucible cups are made of quartz with strong thermal conductivity. This ceramic crucible can withstand temperatures up to 2800°F / 1537°C stainless steel whip pliers, length 25.4 cm/10 inches, weight 0.05 kg, small and , easy to use, economical and practical jewelry making tool. This ceramic crucible flashlight cup set is suitable for various casting processes, mainly including gold, silver, copper, brass, bronze and other high-temperature molten metals. Ceramic crucible set is an excellent tool for jewelers, metalsmiths, blacksmiths and chemical refiners alike In order to improve the performance of quartz ceramic crucible, it is recommended to slowly heat and apply borax glaze before use. Following these steps not only optimize your work, but also extend the life of your crucible, allowing you to maximize its value and effectiveness Specification: Dimensions: 2.56 inches/65mm diameter Ceramic Quartz Crucible Bowl: 2.3 inch/5.8cm and 2.7 inch/6.7cm Copper Whip Clamp Handle 2A: 25.4 cm / 10 inches long Temperature up to 2800°F / 1537°C Material: Stainless steel colour: As shown Package Contents: 4 x melting ceramic crucible bowls (100 g capacity) 4 x melting ceramic crucible bowls (250 g capacity) 2 x Whip Clamp Handles 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.