18 Inch Extender for Screw Mounting Plate clearance This background support system includes

This background support system includes 8 toggle bolts for secure attachment to a drywall ceiling and provides a chain drive to roll down paper or muslin backdrops

and work with all DLSR cameras

All metal with rubber camera bed

All photography backgrounds

Accepts up to 4 ALZO 85 watt CFL light bulbs

18 Inch Extender for Screw Mounting Plate clearance This background support system includesThis extender attaches to the ALZO Screw Mount Plate (or any 5 8 inch baby pin) and provides an 18 inch extension. The end of the rod includes a standard 5 8 inch baby pin mount (removable). If baby pin is removed than the 1 4" x 20 screw thread is available for mounting.