Presenting the Gallagher Nail-On, Screw-In Black Heavy-Duty Plastic Electric Fence Insulator (20-Pack). This rugged, black plastic insulator is built for harsh outdoor use, resisting sun, rain, and temperature swings. It provides reliable electrical isolation for fence wires on steel posts, and offers flexible mounting options—nail-on for wooden posts or screw-in onto vinyl posts. Engineered for durability, it keeps wires securely in place, minimizing movement and voltage loss over time.

Benefits at a glance: With simple installation and proven dependability, these insulators help you maintain a safe, efficient fence line without frequent replacements. They are designed to withstand years of weather exposure while preserving wire tension and performance, making maintenance easier and more cost-effective.

• Heavy-duty plastic body provides durable insulation for electric fence systems in all weather.
• Dual mounting design—nail-on for wooden posts or screw-in for vinyl posts—for versatile installation.
• Compatible with steel posts as well as wood and vinyl options, expanding fence configurations.
• 20-pack bundle delivers economical coverage for larger fencing projects.
• Backed by a 10-year warranty, offering long-term reliability from Gallagher.

Why Gallagher Insulators Stand Out: This insulator blends rugged construction with flexible mounting and proven longevity. Ideal for farms, ranches, and DIY fence setups, it helps you maintain a secure, efficient electric fence with minimal upkeep.