No instructions included. Unlike split plastic sleeves, the way they are used is not as obvious. I think I used them correctly, but I'm not 100% sure. I have found that it is the quality of the stylus and not the quality of the sleeve that causes the shelf to slide off at times. If you are having this problem and think metal bushings will solve the problem, I suggest you consider buying Metro branded posts instead of cheaper brands. I've compared the grooves in all the different Brand posts I have and the Metro grooves were clearly the best. (I also changed some of my ratings on some of the posts to lower the rating).
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