Stem diameter: 5 /16″ (8mm), stem length: 5/8″(15mm) fits most office chair models sold worldwide.
Floor Protection — Plastic Swivel Brake chair casters protect your hardwood floor,carpet without any marks and scratches
Smooth and quite rolling — Twin wheel design keep super quite and smooth rolling,no noise when rolling,won’t disturb anyone while working.
Heavy duty and Durable –Each rubber caster wheel can support up to 66 lbs. (set of 5 holds 330 lbs. maximum) And the thicker material make the caster Wheels more durable.
Silently –360 degree rotation type,environmental protection and noise reduction.
Easily install–Simply pull out your current casters down and push in chair replacement wheels into the socket, then start enjoy your comfortable working time.