Choice the graphite as the main material, mainly used in , gold, silver, copper brass and other high temperature melting alloys. The tools have well thermal stability, corrosion resistance and impact resistance, strong acid and alkali resistance, good thermal conductivity. Features -Color:Assorted Color -Material:Graphite -Size:: 14.50X11.00X2.00cm,7.20X5.20X1.10cm,5.70X5.50X1.70cm,4.00X4.00X4.00cm,23.30X7.80X0.50cm;/5.70X4.32X0.79in,2.83X2.04X0.43in,2.24X2.16X0.67in,1.57X1.57X1.57in,9.16X3.07X0.20in; -The board can be use in soldering and welding operations for delicate and intricate jobs, it has wide of application. -You can use this graphite mold kit to design some delicate handicrafts, and then send them to your friends. -The graphite crucible set has good thermal conductivity, saves , saves money and is friendly to environmentally. -The graphite mold kit can be used in alloys, , gold, silver, copper brass and other high temperature melting alloys. -You can share these graphite mold sets with those who like DIY projects, to enjoy the fun of hand-made together. Package list: 2 x crucible dish 2 x mold 2 x tongs 2 x trough 2 x ceramic crucible bowl 2 x honeycomb soldering board