This is Our Standard Programmable Furnace with Uniform Heating and Pid Temp Controller. It Features Overheating Guard and Auto Cut Off Power Supply. this Furnaces are Available in Various Sizes and for Various Application such as in Jewelry Casting for Size from 4 Flask Capacity upto 18 Flask Capacity. it is also Available for Gold Wire Annealing Most Frequently Used By the Gold Chain Manufacturers Requiring Gold Wires in Large Quantity. please Ask for More Details.