Hinged Tru Pull Knee Support XXX Large Left 29.5 32.5 Defibrillation Comes complete with two sound Undercast Padding Comes complete with two sound heads that can be plugged in simultaneously for more targeted therapy * Simple to operate the user can switch between wands with the single push of a button * Comes complete with two sound heads 1 cm2 and 5 cm2 for more targeted therapy * Used for the treatment of chronic and acute muscular pain * User can switch between dual sound heads with the push of a single button * Fully functional 1 MHz and 3 MHz frequencies * 20 user defined presets with pulsed and continuous therapy * Ergonomic handle design * Two year warranty * Rail Diameter: 1 5 * Recommended for normalizing patella tracking and helps reduce anterior knee pain caused by patella instabilities * Provides support for patella malalignment dislocations or subluxations * Patented lightweight material for added comfort * Aluminum hinges for additional support and to help control hyperextension * Easy application and adjustment * Left * Size: XXX Large * Thigh Cir