The recommended weight restrictions on our full motion bases are as follows: Twin: 300 LBS Twin XL: 300 LBS Full: 375 LBS Queen: 425 LBS King: 550 LBS Cal King: 550 LBS This full motion base will structurally support the recommended weight distributed evenly across the head and foot sections. This product is not designed to support or lift this amount of weight in the head or foot sections alone.