Have you ever spotted a strange, rugged object and thought, “What the heck is that thing?” That’s exactly what’s happening with a mysterious piece of steel that’s currently stumping just about everyone. Social media is buzzing with wild guesses—from medieval weapons to industrial parts—but only a few know the truth. The mystery tool? A manual post driver. And if you didn’t recognize it right away, don’t worry—you’re definitely not alone.

What Is a Manual Post Driver Anyway?

Let’s break it down. A manual post driver is basically a heavy, hollow steel cylinder with two handles welded on the sides. At first glance, it looks like something pulled from a scrapyard or a forgotten war relic. But this tool is far from useless. It’s designed to drive fence posts deep into the ground using nothing but good old-fashioned muscle.

Think of it like a hammer’s much bigger, badder cousin—made for pounding posts instead of nails. You slide it over the top of a stake or pole and use its weight (plus some upper-body strength) to drive it into the soil. No electricity. No engines. Just steel and sweat.

Video: out old school style manual fence post pounder there a lot of work