QUESTION: Do you have the 501-1051-4178 in stock? If this was ground shipped today to zip 94539, how soon would it get there. Thank you ANSWER: Yes, it is in stock. It will take about 4 business days to deliver. It is too late to ship out today and will be shipped out tomorrow if the order is received now. For more discussions, options and details about the product, or to order the product, please click here The lightweight transport wheelchairs are for quick, easy and safe patient transport to and from vehicles, doctor's offices, shopping and travel. The quick release fold-down back allows the chair to fit into small areas for storage and tranport. The lightweight transport wheelchairs feature removable, swing-away leg riggings, padded armrests, dual "push to lock" wheel brakes and seat belts for improved patient comfort and safety. Two different wheel sizes are offered in the Ultra Lightweight Transport Chair: standard 8" front wheels and oversized 12" rear wheels.  The 12" oversized wheels improve the chair's ability roll effortlessly over terrain such as gravel, sand, lawns and carpet, as well as, better ability to negotiate curbs, door thresholds and most uneven surfaces.  Loop-lock hand brakes aid caregivers in maintaining control of the chair while in use. Hand brakes enable the chair to be slowed or stopped while descending ramps or inclines, greatly reducing the risk of injury to both the patient and caregiver. Optional oxygen tank carrier fits 'D' and 'E' size oxygen tanks Easy to attach and remove with limited lifting and positioning. Bag can be positioned off-center to avoid interference with the user's head or back. Constructed of heavy-duty, waterproof black nylon with secure lock-jaw buckles. Seat Width: 17" Unit Weight 24 lbs. Weight Capacity: 250 lbs. a 4 wheel rollator