This is a universal tongue jack repair kit to replace the wheel or caster on your trailer tongue jack. 12-13 x 3.30 bolt Poly wheel for caster assembly, 6 diameter. California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Winches Jacks Wiser Yes Product MPN 6811S00 Product UPC 783192006811 Fast Ship In Stock Ships Today