Features: Practical Functions Designed for reverse clamping, these snap fit insulators adapt to upside down T posts, allow double layer fencing, and effectively isolate wildlife. They're ideal when T posts are fixed in place, providing flexibility without sacrificing effectiveness Widely Applicable Suitable for farms and pastures, our t post extenders ensure dependable barriers using electric insulators. Compatible with various wires and ropes, they help manage livestock and crops efficiently, tailoring to the needs of modern agriculture Specifications: Material: plastic Color: black Size: 4.7 inches Package includes: 50 X T post electric fence insulators Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays