Description Gs8081 9660 Massage Chair Whether youre upgrading your old Gulfstream pedicure unit or remodelling with new, updated features, the 9660 massage chair is a welcome addition to any salon. 9660 Massage chair comes with a new S-Track roller system. The S-Track is the shape of the human spine. The S-Track allows the rollers to move up and down the users back, following the curvature of the spine. It moves more forward for the neck and low back regions of the spine and retracts a bit in the mid-back and tailbone areas of the spine. This makes for a more comfortable massage on our new 9660 chairs. Front Mount Backward and Forward Button: The technician can now conveniently move the chair backward and forward with ease from the Spas front. Dual USB Chargers. Built-in remote control. Cup Holder and Purse Hooks. Shipping Box Dimensions: 112cm L x 78cm W x 52cm H Shipping Box Dimensions: 44.1 L x 30.7 W x 20.5 H Shipping Box Gross Weight: 176.37 Lbs. (80kg) Chair Net Weight: 154.32 lbs. (70kg)