The new Lyman Lubricator Heater was designed for today's new high temperature lubes. It heats the Lube/Sizer to the right temperature allowing smooth, effortless bullet lubrication. The mounting plate is drilled and tapped for Lyman 450, RCBS, Saeco and Star Lube/Sizers. Plugs into standard 110 volt outlet(comes complete with mounting hardware). This item is not needed when using soft black powder lubricants.