This is a set of Trac drive tracks off of a craftsman snowblower. They are driven off of a 3/4in shaft with a through bolt. Tracks are in decent shape, rubber has some chipping on edge lugs and some cracking. I took a close up picture of the worst crack I could find on each track. The item “Robot tracks” is in sale since Thursday, August 30, 2018. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Snow Blowers”. The seller is “dzim72″ and is located in Bemus Point, New York. This item can be shipped to United States.