This guy insulator from Powerline Hardware is an essential component designed for aerial applications, ensuring the stability and integrity of wiring systems. Measuring 3-1/2 inches by 2-1/2 inches with a 3/8-inch hole, it aligns with ANSI Class 54-1 standards, reflecting its durability and reliability in various environments. Ideal for use in aerial hardware and poles, this insulator offers the performance needed to support overhead lines while protecting them from external forces. Whether you're upgrading your infrastructure or maintaining existing systems, this product is engineered to meet demanding requirements with efficiency.