[Premium Material & Quiet Operation]Crafted from high-quality nylon , these 2 inch caster wheels smooth, silent movement without any noise, protecting your floors from scratches. The robust steel structure of the wheels absorbs shocks and vibrations, enhancing durability and ease of use. [360-Degree Rotation & Easy Maneuverability]Equipped with superior swivel bearings, these casters offer exceptional flexibility and 360-degree rotation, allowing you to easily change directions and move heavy items with minimal effort. The design facilitates effortless steering in any space. [Robust Load Capacity]Each caster in this set of four boasts a strong double ball bearing construction, supporting a total load of 600 kg. This feature ensures stability and smooth rolling, making these wheels ideal for transporting heavy furniture or equipment. [Versatile Use & DIY Applications]Ideal for a wide range of light furniture and applications, these 2 inch furniture casters are perfect for tool boxes, cabinets, speakers, and more. They are excellent for DIY enthusiasts looking to enhance the mobility of their home projects. [Complete Package for Easy Installation]This set includes 2 swivel wheels + 2 brake wheels,for easy assembly. The comprehensive package ensures you have everything needed for a quick setup Product Specifications Wheel Diameter: 50 mm Wheel Width: 30 mm Mounting Height: 74 mm Base Plate Hole Spacing: 54*36 mm Base Plate Dimensions: 72*54 mm Hole Diameter: 8.5 mm Four-Wheel Load Capacity: 1200 catties Include:2 swivel wheels + 2 brake wheels Color: Black Material: Nylon+Metal Package Contents: 4*Wheels(2*swivel wheels +2*brake wheels) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.