The C&K COMPONENTS part A421122A1NZRQ is an A Series 4 & 5 Tumbler 1-4 Pole Switchlock. This high-quality switchlock is designed to provide secure and reliable performance in various applications. With 1-4 pole configurations, it offers versatile use and flexibility. It is specifically designed for use in the A Series, making it compatible with various other components from the same range. Trust in the durability and functionality of the C&K COMPONENTS part A421122A1NZRQ for your switching needs.