VEVOR Office Chair Base Replacement, 28", 2500 lbs Static Load Capacity, Heavy Duty Universal Computer Desk Chair Stool Base Part with 5 Casters and Gas Cylinder, Desk Chair Base Replacement, Black

VEVOR Office Chair Base Replacement, 28", 2500 lbs Static Load Capacity, Heavy Duty Universal Computer Desk Chair Stool Base Part with 5 Casters and Gas Cylinder, Desk Chair Base Replacement, BlackHigh Load-Bearing Chair BaseClass 4 SGS Certified CylinderSmooth and Quiet CastersUniversal FitSimple SetupLow Center of Gravity for StabilityProduct Height: 18.9 in/480 mm,Cylinder Stroke: 4 in/100 mm,Specifications: 28 in/710 mm,Product Outer Diameter: Φ28 in/Φ710 mm,Item Model Number: YS-07,Max Static Load Capacity: 2500 lbs/1134 kg,Product Weight: 9.3 lbs/4.2 kg,Max Dynamic Load Capacity: 300 lbs/136 kg