It has 4 molds to cast bullets. It needs 220 volt and a air supply for lubricator. Uses 220 for machine on left that melts the lead. Air is used for machine on right to put light pressure on beeswax to lube bullets. White tubes directs cast bullets over to lube/ sizer. Lube machine has a motor to do this work. Once running machines cast and lube with little help from operator. I think caster holds about 100 lbs. of lead. I have the manual for bullet casting machine. These two machines have not been used since 1986 Until now. They work great!! Molds for this machine are available from magma engineering in AZ. The second tube is smaller for 38 caliber bullets. Molds are four hollow base semi wad cutter .452 diameter. Has four molds in it. One turn of machine will produce 8 bullets as each mold makes 2 bullets. All parts that might fail are available in after market. $2200 for both!