The Interroll 80S Motorized Conveyor Roller is a 22-inch roller with a 3-1/8 inch outer diameter, designed for use in conveyor systems. This model operates at 1 phase with 50 watts of power and 115 volts AC, making it suitable for a variety of material handling applications. With a length of 12 inches, this roller from Interroll is a reliable and efficient option for businesses and industrial settings needing conveyor parts and accessories.