Okay, let me tell you about this game-changing 14-piece power nut driver set that's about to make your DIY life so much easier. First off, these bad boys have that standard 1/4-inch shank that fits pretty much any corded or cordless drill you've got in your garage. The hex shank is about 2.2cm long and made from seriously tough chrome vanadium steel that won't strip out on you when you're putting some muscle into it. What's really cool is you get both metric AND SAE sizes - we're talking 3/16, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16 inches PLUS 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, and 12mm. That's basically every size you'll ever need for household projects, auto repairs, or even professional jobs. The sandblasted finish keeps them from rusting up, and the strong inner hexagon sleeve means they won't slip around in your drill. Seriously, whether you're assembling furniture, working on your car, or tackling woodworking projects, this set has you covered. No more fumbling with separate sockets - just pop these right into your drill and get to work!