The circular foot support 3842546773 FOOT SUPPORT RING is perfect for Dynamic-PU, Dynamic-eco leather, Dynamic-textile, and Dynamic-ESD swivel work chairs with a seat height over 650 mm. According to DIN 68 877, work chairs with a seat height over 650 mm must be equipped with a climbing support. This original Bosch Rexroth product provides ergonomic and safe support, being foldable and height-adjustable with a non-slip surface. CreatX Technology SRL offers local support and repairs.