This was used 2 times and is basically brand new. The "NX-1002" is the model number, and it features include the ComforTrak™ bed, a lumbar bridge, and an auto-locking hinge for controlled rotation. Teeter NXT-S Inversion Table, which is an FDA-registered medical device designed for back pain relief, stretching, and muscle decompression ---if interested leave a call back number for quicker response---