The best tool is the one you have on you. For tackling quick repairs, projects, and other handiwork, make it the Tuls Ollie. Its one millimeter thick credit-card sized frame packs a lot of features into a tiny package that you can carry in your wallet. For your measuring needs, it integrates both metric and imperial scales on its sides, a protractor for calculating angles in one corner, and dual-standard gauges for sizing up wire diameters in its midsection. It accommodates hex wrench sizes of up to half an inch. In the corner next to the bottle opener, you can find a specialized bicycle spoke wrench as well. If you need even more hex wrenches at your disposal, there’s the Lucy tool. Both Ollie and Lucy are available in titanium or stainless steel, on sale at our store at the link below.