The Drive Medical sling chair lift helps moving the patient to a more stable and comfortable position. It is equipped with a 6 point swivel bar which accommodates 2 to 4 sling straps with 2 chain connections. The hydraulics raise and lower individuals gradually and safely. Backed by a limited lifetime warranty on frame and limited one-year warranty on the pump by Drive Medical, a leading brand of medical goods for more than 20 years, you can purchase with confidence.