FREE SHIPPING ON ALL DESK FRAMES! 10% off!!! The 501-17 model is our "home and office" model, perfect for today's office enviroment. The 501-17 model is our best seller. A designer in San Francisco, a call center in Boston or a fee lance writer in Florida will get the fantastic benefits from sit and stand functionality at a very affordable price. This height adjustable standing desk fits most customer's needs. If you have a monitor, lap top or desk top computer, a few books and some speakers on your desk, than these are great sit stand desks for you. Adjustable height ranges from 26" to 46". We ship within 3-5 business days. Call us with your questions - 877-492-3552 - any time.