QTY Per Sell: 1 Operation optimizes lift capabilities to require less physical effort for raising individual. High-performance hydraulics for safe and gradual movement Sturdy, silver vein steel construction and six-point cradle design provides maximum strength to raise and lower those weighing up to 450 lbs. Adjustable width base allows for a proper fit. Pump handle can rotate from side-to-side for convenience of attendant. Masts are interchangeable with bases, lock together and can be separated for travel and storage. Standard, 5-inch castors are offset for greater stability and smooth operation. Easy-to-operate castor breaks provide additional safety and security six-point swivel bar can accommodate two or four sling straps plus two chain connections. Includes two sling chains (sling sold separately)