I wanted to store SETS of hex keys instead of individual keys horizontal in a tool box drawer. How many times do you grab the correct allen wrench? If you're like me then rarely, so just grab the whole set like a boss. This is gridfinity 3x5 and should most sets that are STANDARD. The metrics are usually a little thicker so I made one for those also.

Edit 4-13-26:  I'm finding out that many sets of hex keys are a little longer than mine and by request I've made another set that is 42mm longer using 3x6 blocks.  The 3x5 blocks are there as well.  Print whichever plate fits your use case the best.

Please boost me if I help you organize your toolbox