TAITONG HS268 10.00R20 – 18PR is a tire specification. It refers to a TAITONG brand tire with a size of 10.00R20 and a load capacity rating of 18PR. This tire size is commonly used for commercial trucks or heavy-duty vehicles. The “R” stands for radial construction, and the “PR” indicates the ply rating of the tire, which relates to its load-carrying capacity