I received three different sizes of the "Scrap-A-Round" product. I have not had any frost on my car yet this year so have not been able to test these out yet. I like how secure they feel in your hand and think they will work well. I don't think the size makes a difference so plan on putting on in each family members cars to have on hand for when needed.
I will update this after our first frost so I can let everyone know how well they work. :)
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I received this item at a discount or free in exchange for my honest opinion, and a review of my experience.