- Imperial Stem Size: Our casters feature a standard 3/8" stem with 16 TPI coarse thread (US). The stud diameter is 3/8" and the stud length is 0.79" (20mm). Note: If your caster uses a METRIC M10, it is not compatible. Please verify your specifications before purchasing. - 3-Inch Lockable Casters: Each caster is equipped with a brake pedal that locks the rotation, while still allowing the stem to move freely for easy directional changes. - Quiet and Smooth Rolling: Crafted from high-tech elastic polyurethane, these casters include internal bearings for effortless rolling. The sleek surface design prevents crumbs and hair from getting stuck, ensuring a clean glide that won’t damage your floors. - Durable Industrial Caster: Constructed with a robust steel body, these casters offer exceptional durability and resistance to dirt. Each pack of 5 casters supports a total load capacity of 600 lbs, making them suitable for a variety of heavy-duty applications. - Versatile Applications: Ideal for most chairs, carts, and other furniture with an imperial 3/8" stem, these casters are perfect for office furniture, workshop equipment, and home appliances, enhancing both mobility and functionality. - Enhanced Stability and Control: The combination of lockable features and high-capacity design makes these casters an excellent choice for maintaining stability in busy environments, whether in an office, workshop, or home setting. Ensure your mobility solutions are both effective and reliable with our premium 3-inch casters, designed for performance and built to last.