Amazon.com: Office Chair Caster Wheels Set of 5 Heavy Duty & Safe for All Floors Including Hardwood 3" Rubber Replacement for Desk Floor Mats : Office Products
2" Brushed Brass Replacement Office Hard Floor Chair Caster Wheels
Office Chair Caster Wheels – Noblewell WebSite
Office Chairs Ruining Hardwood Floors? Consider the Rollerblade