The Cutler-Hammer E50KL355 Series B1 Limit Switch Operating Head Roller Lever is a high-quality industrial automation component designed for use in PLC systems. This unit operates as a roller lever switch, providing reliable and precise control for various motion control applications. With the trusted Cutler-Hammer brand and a quantity of 1, this operating head roller lever is a essential component for industrial automation and motion control systems in a variety of business and industrial settings.