• Plate Size: 4" X 4"

• Material: Steel

• Finish: Zinc Plated

• Weight Capacity: 300 lbs.

• Ball-Bearing For Rotating Book Racks, Business Machine Stands, Serving Trays, Kitchen Storage Racks And More

WARNING: This product can expose you to chemicals including diethylhexyl phthalate (DEHP) which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.