These are studded 205/70s "Snowtrakker"s. They _should_ fit under a stock fender.
Mine are on their 2nd season and the studs are worn down a bit. They still work great though. Try not to use them unless it's bad out to conserve the studs.
http://66.225.214.60/baja/MVC-117F.JPG http://66.225.214.60/misc/snowbaja2.JPG Max