Restore the mobility of a plastic drawer, plastic storage cart or office chair with these NUMEBRNYC Plastic Caster Wheels. They feature a nylon construction with chromed metal stems, designed to provide a smooth movement over carpeting. These plastic cart caster wheels have a simple push-on design for easy installation. They also rotate 360-degrees for smooth movement and can be used for a variety of furniture pieces. They're available in a Set of 4 - 1 1/2" Wheels with Stem (Please see images for full size description). NUMBERNYC Casters come in black to match most office furnitures, units. Our Stem Wheels fit most Storage Containers - Plastic Drawers, Storage Containers or Drawer Plastic Bins & Wide Storage Containers. Etc. *NUMBERNYC Wheels do NOT come with Adapter Plugs. If you receive Plugs in your order, you did NOT buy NUMBERNYC