Whiteside's New Single Flute Compression Door Lite Bits are specially designed to give you incredibly clean cuts in metal clad doors.  Now, gone are the days where you get blow-out on the bottom side of the door as the bits start to dull.  These Whiteside Door-Lite bits give a incredibly clean cut on both the top and bottom side of the material cut-after-cut.  These bits are made with high grade tool steel and precision ground on state of the art CNC machines.  They are coated for extra life and endurance.  See the difference cutting with these New Whiteside Machine Door-Lite bits can make.