Solid circular heavy steel powder coated base (20" dia.) with embedded black rubber bumper which also serves as a convenient footrest while adding rigidity to the base.
Five heavy-duty, electrically conductive ball bearing, self locking casters give great mobility with absolute tilt-free stability that have a built in spring mechanism locking the wheel when no weight is on the stool.
Height adjustment by foot-activated air cylinder between 550-780mm (21.5" - 32") • the seat section, round 14" dia. or saddle shaped 16"x15" is covered with an electrically conductive heavy-duty, easy to clean naugahyde over a heavy foam pad providing optimum comfort and durability.
The back support (models dsc-222167 & dsc-222168) are adjustable in height and are made of the same foam padding and naugahyde cover as the seat section. it provides excellent back support and may also be used as an arm support in certain positions,
The stool is completely electrically conductive both seat section and casters meeting all the safety requirements.
This is made from German engineering and simply built to last.