Elevate your workspace efficiency with the TP-40S Retractable Leveling Machine Casters. This premium 4-pack set offers unparalleled mobility and stability for your heavy machinery and equipment. Each caster features a robust 1.75" wheel, engineered to support up to 110 lbs individually, providing a total weight capacity of 440 lbs per set7. The threaded stem design ensures secure attachment to your equipment, while the retractable mechanism allows for seamless transitions between mobile and stationary positions. Perfect for workshops, manufacturing floors, and industrial settings, these casters offer the flexibility to move heavy machinery with ease and lock it in place for stable operation. Crafted with durability in mind, the TP-40S casters boast high-quality materials that resist wear and tear, ensuring long-lasting performance even in demanding environments. The smooth-rolling wheels minimize noise and protect your floors, making them ideal for various surfaces. Installation is a breeze with the included hardware, allowing you to upgrade your equipment quickly and efficiently. Whether you're managing a production line, organizing a workshop, or optimizing your industrial space, these leveling casters provide the perfect balance of mobility and stability.