1. Wide range of applications These conveyor rollers are not limited to industrial use. They are easy to attach to furniture and can be widely used in conveyor belt systems, processing systems, wooden boxes, transfer furniture, workbenches, household appliances and transmission systems. Their wide range of applications makes them a versatile addition to a wide range of environments. 2. 30 PIECE ROLLER BALL SET The roller bearings provide a reliable stock that meets most industrial and commercial needs. This abundant supply ensures users have no shortage and provides continuous and uninterrupted use for various applications. 3. Highquality material for durability These roller ball bearings are made of hard, wearresistant carbon steel and have a burr surface that resists rust and runs silently. The robust construction of the ball bearings can withstand high loads and heavy loads, which significantly extends the life and reliability of the bearings. 4. 360 degree rotation for efficient operation These 1/2 ball rollers can be rotated 360 degrees and allow smooth and in the right direction. This increases efficiency, especially when transporting goods in different directions. Seamless rotation reduces effort and increases the efficiency of your operations.