Sytopia Metal Seat Mechanism for Office Chair, 227 kg Base Plate with 6 Inch x 10.2 Holes, Rocker Function & Height Adjustment, Universal Tilt & Lock Replacement for Swivel Chair/Desk Chair
Sytopia Office Chair Base Replacement, Heavy Duty 28 Inch Chair Bottom Part, 2200 Lbs Capacity, Universal Caster and Gas Cylinder Size, Matte Black
Sytopia Office Chair Base Replacement 24'' - Office Chair Base with Reinforced Metal Legs 2600lbs, Bottom Part Universal Fit for Universal Gas Cylinder & Casters – Matte Black
Sytopia Office Chair Base Replacement Bundle, Heavy Duty 352Lbs, Reinforced for Swivel Gaming Chair, Includes 5 Casters and 1 Gas Cylinder, Matte Black