Vacuum nozzle support bracket
Vacuum nozzle support bracket designed to work with Rigid 1 7/8" vacuum hose. Hose attachment on shoe is 1.48 inches diameter.
http://www.homedepot.com/p/RIDGID-10-ft-Pro-Grade-Universal-Wet-Dry-Vacuum-Hose-Kit-VT2570/100375877