Hey there! If you're working on machinery that needs smooth movement and can handle some misalignment, these spherical rod end bearings are exactly what you need. They've got a 0.375 inch (that's 3/8\) bore and come with 3/8-24 female threads - perfect for when things aren't perfectly lined up (they can handle up to 9 degrees of misalignment, which is pretty handy). Each package gives you two rod ends plus jam nuts to keep everything secure. What's really cool about these is how they're built - the body is made from tough #45 steel that's solid forged, so you know they're durable. The inner ball joint is hardened bearing steel, and the spherical surface has chromium plating while the rod body is galvanized to fight off corrosion. They're pre-lubricated but also self-lubricating during operation, which means less maintenance for you. These bad boys can handle some serious weight too - 10KN static load and 9.4KN dynamic load capacity. You'll find them super useful in all sorts of applications like engineering hydraulic cylinders, forging machine tools, automation equipment, trucks, lawn tractors, boats, industrial machines, hydraulic machinery, go-karts, and plenty more. The self-aligning feature means they work great even when things aren't perfectly straight, plus they're low noise and have wear resistance built right in. There's even a unidirectional lubricating oil valve so you can inject butter when needed. Whether you're working on CNC equipment, power tools, or any machinery that needs reliable connection points, these rod ends have you covered. They're definitely workhorses that'll make your life easier in the workshop or on the job site.