30 Pcs Roller Ball Set - The roller bearings provide a reliable supply that meets most industrial and commercial needs. This ample supply ensures users won't face a shortage, offering continuous and uninterrupted usage for various applications. 360 Degree Rotation for Efficient Operation - Featuring a 360-degree rotation capability, these 1/2-inch ball casters facilitate smooth and precise directional movement. This enhances efficiency, especially in transferring goods in multiple directions. The seamless rotation reduces effort and increases efficiency in your operations. High Grade Material for Durability - Made from hard, wear-resistant carbon steel, these rollers boast a bright, burr-free finish that resists rust and operates noiselessly. The robust construction withstands high stress and heavy loads, significantly extending the lifespan and reliability. Broad Application Spectrum - These conveyor rollers are not just limited to industrial use; they're easily installable on light furniture and can be extensively used in conveyor line installations, processing systems, wooden boxes, transport furniture, workbenches, and transmission systems. Their wide application range makes them a versatile addition to numerous environments. Universal Size - The size of the casters is about 1 inch; the roller ball transfer bearings have a universal size, making them compatible with a wide range of applications. Their standardized dimensions allow easy integration into different setups, from ball casters in machinery to low-profile casters in furniture, providing a versatile solution for your movement needs. Colour: Silver Material: Carbon steel Package Contents: 1 set x adhesive caster 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 to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.