These are high quality wheels. They move smoothly and fit most office chairs easily.. The wheels are made of strong black and grey plastic. It does no damage our wood floors which is awesome. I think they are great and easy to clean and well lubricated. They are top quality office wheels.
- Premium casters made specifically to protect hardwood, laminate, tile, slate, and all other hard floors
- Made With Highest Quality Materials Available
- Soft Polyurethane wheels prevent scratches and damage to hardwood floor
- Beautiful Design in Black and Gray Color.
- Eliminates need for floor mats at home and office
- Polyurethane wheels prevent scratches and damage to hardwood floor
- Very Easy To Clean
- Lithium based grease lubricated for smooth movement
- Inches: 7/16" Steam Diameter x 7/16" Steam Length
- mm: 11mm Steam Diameter x 22mm Steam Length