Call-- SAFER Automatic Wheelchair Wheel Lock Inc. 105 East Rankin Street Jackson, Mississippi 39201-6122 Phone 601-353-3193 or 1-800-890-5113 or   Fax 601-353-8069 Ask About Our Monthly Specials! * Find A Dealer * We stock the wheelchairs listed below, with locks installed. They come with removable or flip-back arms and elevated leg or foot rests. Call for Pricing! Invacare Model Tracer EX2 Tracer SX5 9000SL 9000XT Drive Sentra EC Safer Automatic Wheelchair Wheel Lock kits are available for $269.95 Will retrofit to the following Invacare wheelchairs: Invacare  Tracer EX Series  16" through 20" wide  Tracer SX Series  16" through 22" wide  Tracer DLX Series  16" through 20" wide  9000 Series  16" through 22" wide (Including the single axle super- hemi 13.5 seat to floor height) Drive Medical  Sentra Series  16" through 20" wide  Sentra EC Series  16" through 20" wide Medline Medical  Excel Series  16" through 20" wide SERIAL NUMBER ARE REQUIRED TO ASSURE PROPER FIT Please, call if you need kits for chairs that we do not list, as we are currently in the process of building kits to fit other models.