Office Chair Gas Lift Cylinder - Replacement Parts, Universal Size, Heavy Duty Hydraulic/Pneumatic Piston, Black - Alloy Steel

5.5 inch Office Chair Gas Lift Cylinder- Replacement Parts,Universal Size Fits Most Chairs,Heavy Duty Gas Lift Hydraulic/Pneumatic Piston (Black)

Besitu 500Lbs Office Chair Replacement Parts, w/ 6'' x 10.2" Mounting Holes Chair Base Heavy Duty Plate Swivel Tilt Control Seat Mechanism for Executive and Gaming Chairs

MASTERY MART 28" Heavy Duty Office Chair Base Replacement Parts, 2500 Lbs, Desk Chair Reinforced Metal Leg with Universal Gas Cylinder Hole and Casters Sockets, Matte Black