- Material: Crafted from high-quality carbon steel and TPE rubber, this insert wheel features a smooth, colorful zinc-coated surface that is rust-resistant and durable. - Key Features: - Equipped with a built-in precision single ball bearing for seamless 360° rotation and stable operation. - Designed with a cover to prevent tangling and keep out dust. - TPE rubber tires provide quiet, smooth movement without damaging floors. - Mounting Attributes: - High mechanical strength ensures durability and long-lasting performance. - Excellent wear and shock resistance, with an expansion tube design that enhances stability and load capacity. - Includes four heavy-duty swivel casters with M12 x 60 mm threaded rods and an expansion tube size of 22 x 50 mm. - Installation Method: - Features a round valve shaft suitable for 22 to 24 mm round pipes. Simply insert the wheel shaft into the hole and tighten securely. Please confirm pipe size before purchase. - Use Scenarios: - Ideal for furniture, carts, and equipment that require mobility without damaging surfaces. - Perfect for workshop machinery or storage solutions needing reliable, quiet movement. - Suitable for home or office environments where aesthetics and functionality are key. This insert wheel combines strength, stability, and smooth operation, making it an essential choice for various applications.