This Erecta™ wire cart from Metro offers 18 gauge shelves that are chrome plated. The unit features unique corner release system, coupled with double grooved SiteSelect™ posts for quick shelf adjustment. This Erecta™ wire cart has 5" polyurethane swivel casters for easy maneuverability. The 3 1/2" donut bumpers protect walls from any damage. This Erecta™ wire cart , mobile shelving unit easily transports items making stocking or transporting a simple task.