Easy to install with spring assisted replacement The replacement conveyor rollers have a built in spring for quick installation and removal. This design saves time and effort. To install, push the spring or pull from the opposite side to seat the roller into the conveyor frame, helping to improve your conveyor system efficiency. Fixed diameters and compatible bar options Fixed Roller Diameters available: 25 mm (1 in), 32 mm (1.3 in), 38 mm (1.5 in), 50 mm (2 in), and 60 mm (2.4 in). Each roller is paired with a sturdy Bar Diameter of 8 mm (0.3 in) or 12 mm (1/2 in). Ideal for a variety of mobile applications, these rollers provide stability and concentricity for reliable performance. Suitable for permanent and temporary conveyors Designed for both permanent and temporary conveyor systems. Applications include Output Tables, Agricultural Transport, Gravity Conveyance, and Loading Units. When used with appropriate supports, this roller can also contribute to a Pet Jump Fence solution, making it a practical choice for diverse applications. Pack of 5 stainless steel replacement rollers Pack of 5 stainless steel rollers with galvanized ends. The roller surface is smooth and burr . Bearings are lubricated and do not seize, rotating and quietly with minimal vibrations to ensure smooth, efficient operation and reduced wear. Not intended for food contact.