Steel rimmed, 2-1/4" offset hub and 5/8" shielded ball bearings. Made of lightweight polyurethane foam. Flat free, feels like air filled. Used for hand trucks, pressure washers, generators and walk behind blowers.

WARNING: This product is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.