Features 1. Advanced ratchet back height adjustment. Simply lift back upwards or downwards to lock automatically in any position. 2. Aesthetic ergonomics contour design for improved dental and medical performance for the professional. 3. Seamless upholstery combined high density foam with full ABS covers for easy of "wipe cleaning." 4. The stool comes fully assembles and ready to go. 5. Foot operated seat height adjustment as optional extras. Stool Functions Seat Height The height of the seat can be adjusted by pulling the seat height lever upwards and releasing to desired height while the occupant takes their weight off the stool. Seat Tilt The seat has 5 degrees of forward and 6 degrees of rearward tilt. Push the handle downwards to "free float" the movement and lift upwards to lock in any position. Back Movement The back has 10 degrees of forward movement and 7 degrees of rearward. Push the lever downwards to "free float" and lift upwards to lock in any position. Back Height Simply lift the back upwards slowly and it will lock in the desired position. To re-adjust, lift the back to the very top and it will automatically release the lock and allow the back to go back to the lowest position. You can then adjust the height by lifting the back upwards slowly to the desired height. WINBEX CORPORATION 95, Nangang 3rd Rd., Nangang Industrial Park, Nantou City 54067, Taiwan T/ +886-49-2260938 F/ +886-49-2260431 E/ [email protected]