This is an idea I adapted from the Crayon Rolls that I have seen around it's a crochet hook roll. This was mega simple to make I simply took the dimensions of my hooks and added a bit at the bottom and the top, just enough so that the measurement on the hook was not obscured. This is my little drawing from my little black book that I carry everywhere with me, it's full of ideas and little sketches and pattern instructions:
Please forgive the imperial meaurements as a Q.S. everything at work is in metric but for sewing and knitting I always work in imperial.
And here is what came of it: