XO SEAT is a saddle chair without a backrest available in two versions: 

For operators taller than 180 cm with a seat height adjustable in the range 60 – 86 cm above the floor. 

For operators shorter than 180 cm with a seat height adjustable in the range 48 – 67 cm above the floor. 

FOOT-RING

Optionally a foot-ring may be fitted. This enables dentist and dental assistant to sit on the same horizontal level if the height difference between the two is 10 cm or more.