The Gallagher 024827 RBL Insulator is a robust ring insulator specifically engineered for permanent electric fencing systems. This durable insulator is compatible with all types of electric fence wires, including polywire, cord, and tape with a maximum width of 12.5mm. It features a large metal core, which ensures optimal insulation performance and significantly enhances wear resistance for long-lasting use. Designed for secure and easy installation on wooden posts, the insulator is equipped with a continuous thread. This part number represents a package containing 100 individual insulators.