Didn't need 10 of these but I'm glad I bought them. There seems to be a lack of quality control. Of the 10, two felt misaligned causing them to stick and tangle and two were too loose. The remaining six could be used. So about 40% of them were bad. The price is cheap so I don't mind. If you need 6 or fewer, buy a set of 10 so you can choose and upgrade your changes while getting good ones.
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