Loose screws. Tight paint can lids. Packages that arrive in 10 miles of strapping tape. Opposable thumbs aren't enough: you need tools. Here are 40 you can keep in your wallet, all on a single, 1-oz. stainless steel wallet card. Higher quality, more streamlined, and with more functions than most tool cards, it's designed to be helpful every day, not just in the occasional post-apocalyptic survival situation. Open bottles, tighten bike parts, replace eyeglass screws, cut price tags off, measure stuff… you'll never run out of uses for it. Made of hardened, rustproofed 420 steel, it's easy to grip, has no sharp edges, and is TSA-friendly. Made in South Carolina.