High-quality multi-lock seat mechanism, knee rocker mechanism for office chair, swivel chair and all other adjustable seating furniture, also suitable for converting car seatsReplacement part for Office Swivel Chair Executive Chair Seat Mechanism TILT-A Base Plate for Attaching Under Seat Pad – Height Adjustment and Rocker MechanismRocker function with locking in the zero position – hand wheel for weight adjustment with handle protection tested safety load capacity up to 200 kgSuitable for all swivel chairs, office chairs, swivel chairs, executive chairs from Topstar, Nowy Styl, Mayer, Easychair, IKEA etc.Restoring force of the backrest is easy to change – anti-shock system, serves to ensure that the mechanism remains in its original position when the lever released
