Product review (4 stars): Much better quality than plastic replacement parts
I have the Kenmore version of the dishwasher and have had to replace the height adjusters several times because the replacement parts I have received in the past were all plastic. These are much different and made of metal. They appear to be constructed much better and I don't expect much issue with them and highly recommend them over the plastic ones. (Yes, they are more expensive, but are MUCH better constructed...)

I also have to say that I'm impressed with the seller of the product I purchased from off Amazon (Free Shipping LLC). There were some screws missing from the package. I emailed them and within two hours (weekday) they responded that they would get me the missing parts pronto.