The Lee Precision Production Pot IV allows the right amount of lead to enter the mold on every pour. Adjustable thermostat permits keeping a lead at the proper temperature. Dust tight housing extends thermostat life. Lead melt time is less than 20 minutes. The Lee Production Pot IV has 4 inches of clearance, enough to accept both Do-It and Hilts molds. Production pot holds up to 10 pounds of lead.