Product review (4 stars): Great product, bad instructions
I bought this product because the roller on my upper tray of the dishwasher broke off.  The products seems to be much stronger than the original part.  It has metal pieces where the old one was made of plastic.  The only reason it is not a 5* is because the instructions were hard to follow, if it had not be so easy to assemble I would have never figured it out with those instructions.  You will need a special star screw driver for the screws provided.