These boot chains with cleats on them are the best, safest I ever had.  The only reason the item does  not get five stars is that I realized only AFTER I ordered them that they shipped from Hong Kong, and that is why shipping is so expensive.  It also took three weeks to get the item because of that, and I am used to getting my Amazon purchases in a matter of days.  However, I admit it is MY problem for not reading the item details well enough....and I ordered with one-click, so you don't get  a thorough  order review the way you do when ordering conventionally.
The product, however, ROCKS!