QR Code Link to This Post The Ultra-Tow™ Motorcycle Wheel Chock is used to stabilize your motorcycle on the trailer floor. Automatically holds wheel in place when rolled into chock. Adjusts to fit different tire sizes.$119.99 plus tax when bought at Northern Tool in June 2018. Will sell for $60 and have bolts, washers and nuts used to attach to trailer.Below is a link to compare to new price.https://www.northerntool.com/shop/tools/product_200692635_200692635?cm_mmc=Google-pla&utm_source=Google_PLA&utm_medium=Trailers%20%2B%20Towing%20%3E%20Motorcycle%20Hauling%20Accessories&utm_campaign=Ultra-Tow&utm_content=58045&gclid=EAIaIQobChMIhc7fhLip3QIVBDJpCh2Z3Q7sEAkYAyABEgKQyvD_BwE