The NEW CAMBRIDGE SW12920 Universal Starter Switches with 4 keys are high-quality industrial switches designed for reliable and secure operation. Made by the trusted brand CAMBRIDGE, these switches feature a durable construction and come with 4 keys for added security. Perfect for use in various industrial settings, these starter switches provide a convenient and efficient way to control the start and stop of machinery or equipment. With the SW12920 model, you can trust in the performance and longevity of these universal starter switches.