Solid Front Door for 44RU FMA, 100, 200, 500, and 700 Series Racks.Designed for the installer Atlas Sound's SFD Solid Front Doors look great and install easily.These doors fit the 100, 200, 500, 700 and FMA series cabinets.The innovative design of these cabinets includes gripsert hardware.This allows the installer to mount the door without the typical nut and bolt style hardware.Meaning you can mount a door on a cabinet already filled with gear.