The QRT Standard is an economical, semi-automatic retractor system with a single tensioning knob to help meet minimum specifications and cost-conscious budgets without sacrificing safety. FEATURES SINGLE TENSIONING KNOB - Safely secures wheelchair and occupant in under 10 seconds. (PLI) POSITIVE LOCK INDICATOR - Patented feature clearly indicates when fitting is locked in anchorage (L-track application only). INTERCHANGEABLE - Eliminates confusion; no right, left, front or rear locations. UNIVERSAL DESIGN - Accommodates virtually all wheelchair designs, including scooters. ULTRA-DURABLE - Constructed from hardened steel and coated in zinc for maximum corrosion resistance. LOW PROFILE COMPACT - No mounting bracket allows retractors to fit under most footrests. J-HOOK - Reduces twisting of belts and ensures proper securement with a quarter turn accommodating virtually all wheelchair designs. FOOT RELEASE LEVER - Easy release eliminates the need to bend down.