Manufacturer: Vestil, Manufacturer Part Number: WLPS-2The Assembly Chair provides high quality durable seating that is ideal for production lines, workstations, and industrial/commercial environments. The chair has a pneumatic seat height adjustment and an easy to clean seat. This workers stool model has a soft foamed polyurethane seat with five (5) foot pad base design with casters. MFG Part# WLPS-2