Package Contents: there will be 1 piece of 1 kg graphite ingot crucible moulds and 1 pieces of graphite stir rod sticks, totally 2 pieces in this package, constituting a convenient combination to meet your DIY needs for melting, casting or refining metal, jewelry, gold, silver and other materials Nice features: these graphite casting possess many good features, are characterized by nice thermal stability and corrosion resistance to , as well as fast cooling, their nice thermal conductivity properties can highly shorten the casting time and save energy Detailed information for size: the 1 kg crucible mould measures . 100 x 50 x 25 mm in outer diameter, 90 x 40 x 20 mm in inner diameter Each crucible stir rod is about 12 inches or 30 cm long and 5 or 16 inch or 0.8 cm in diameter, please check these size details carefully before purchasing Multiple purposes to meet: these graphite ingot are widely and commonly applied for experiments and smelting of non-ferrous metals, such as gold, silver, copper, aluminum, and much more, also perfect for satisfying lab, test analysis and other purposes Taking the product size into account, small-capacity metal melting projects will be more suitable. color: Black Material: graphite Package Contents: 1 piece of 1 kg graphite ingot crucible moulds 1 pieces of graphite stir rod sticks 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.