Shepherd Hardware 9023 4-Inch Soft Rubber Swivel Stem Caster, 1/2-Inch Stem Diameter, 200-Lb Load Capacity

Office Chair Cylinder Replacement With Removal Tool (As Seen On PBS) - Heavy Duty Pneumatic Gas Lift Piston For Desk Chairs And Gaming Chairs -

Waketek Premium Office Chair Wheels Replacement With Removal Tool, These Flexible And Durable Desk Chair Casters're Helpful For Working, Learning And

The Original Office Chair Cylinder Removal Tool (As Seen On PBS) - Easily Remove Your Old Gas Lift Piston From Any Office Chair

Slipstick CB682 2 Inch Replacement Office Chair Wheels (Set Of 5 Casters) Universal Standard Size Stem 7/16 Inch X 7/8 Inch - Black Plastic