PVC pipe and wood bracket mounted to pegboard for storage in garage. Notice the holes drilled into the top of the wood: you can use this basic "plate" to customize any kind of bracket, holder, etc. for pegboard.
Hang wrenches on a tie/belt rack. Screw a tie/belt rack (available at discount stores) to a bare spot on the wall over your workbench and hang the wrenches—SAE and metric—where you can swiftly nab and put them away in an orderly fashion.
I needed this idea the other day, but I can't remember what for. :P How to Build an Easy Glass Bottle Cutter made up of Common Parts DIY Project - The Homestead Survival - Homesteading Re Purposing Tool