Medvibe manufactures Nitrofit Line of assisted stretch machines, Vibration Trainers and vibrating foam rollers. We would love to offer all of our products but specifically the assisted stretching machines. Look at Nitrofit Limber Pro stretch machine. It closely resembles the Precor 240i that most Chiropractors used because there were no affordable alternatives until now. Our unit has an adjustable seat so that patients can adjust it to fit their reach and a sanding calf stretch station. The Precor units have fixed seats and not calf stretch station plus cost twice as much as our product.