I spent a bit of time researching and calculating socket organization methods and settled on this one from Amazon. I like it but my biggest mistake was not posting here BEFORE I bought something. What I like about these is I can color code and mix drive size/metric/sae on same rail. The sockets are held on secure enough but not so hard you have to use a vice to remove them like some of my cheap holders that I was still using. If some of the sockets look unused I bought new sets of 6 point shallow 3/8 inch drive as my Craftsman set from 30 years ago used 12 point for those.
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