The Screw Tight Insulator is sold in bags of 25, with a case containing 20 bags. This insulator is designed for secure attachment of electric fencing to wooden posts, ensuring optimal performance and safety. Made from high-quality, weather-resistant materials, it provides long-lasting durability and reliability. The insulator's design allows for easy installation and adjustment, making it a practical choice for farmers and ranchers. It meets industry standards for electrical safety, ensuring effective fencing solutions for livestock management.