Bought these off Phi1 last winter. I believe he used them for one season and I used them last season. Still have great tread remaining. I don't have a tread gauge, but at least 50% tread looks to be remaining. Just noticed that one of the tires has a small nail in the tread, but it still holds air. I haven't tried to remove the nail. Asking $150 obo for the set. 952-484-8945