Oil flow to both rollers is individually controlled by metering valves which are installed on the reservoir tank. Adjustable tension springs help to apply the right oil film by supplying enough pressure to squeeze off any excess which is then recycled to the unit. Pivots to accommodate material movement and crown, camber, or unstraightened stock. Mounting between the press feed and tool is easily done by attaching a magnet to the steel base, or by drilling two holes. Two wing nuts allow for quick pass line height adjustment to suit different tools.