These crucible clamp tongs and metal melting are made of , steel material for durable use, they are lightweight, compact, and convenient for you to carry and store, firm and will not be easy to fall. They are great tool for learning metal smelting experiences. Features -Color:Assorted Color -Material: , steel -Size(tong):25.00X7.50X3.50cm/9.82X2.95X1.38in -Size(L ):7.00X7.00X3.00cm/2.75X2.75X1.18in -Size( ):5.50X5.50X2.50cm/2.16X2.16X0.98in - Perfect for melting gold, silver, copper, and more. Can be used with a variety of heat sources, such as and furnaces. - They can be regard as laboratory accessories, lightweight and portable for holding. - The design is ergonomic, easy to operate, easy to use, and can bring you convenience. - Provides and efficient way to melt metals, easy to use and maintain, no special skills required. - Made by , steel material, which is high corrosion resistance and good hardness. Package list: 4 x crucibles tongs 8 x two taels crucibles 4 x five taels crucibles