I had to check this to help others. People are downgrading their rating because they had to cut them etc. I suspect the problem is more with non-standard struts or the uneven thickness of the anchor strut (which goes through the bumper). In my case, I'm using a 3/4" Crosby mount that goes through a 0.5" mount/anchor with a hole about 7/8". In this case, these things are wonderful. Sure, a tapered rubber washer at just over $2 a piece might seem expensive, but you make them cheaper and send them