A. Practical Insulating Rings: These power grid insulating rings are suitable for high - strength steel wires, aluminum wires, braided wires, and multi - strand wires. They are also suitable for replacing damaged insulators. B. Easy to Use: No tools are needed. Simply screw the screws into the wooden fence. C. Inclined Notches Design: The inclined notches can secure live wires without causing energy loss. They are suitable for power grid controllers with low impedance and standard loads. D. Material: Made of plastic and metal, it is environmentally friendly and durable, and can be used as an accessory for the power grid. E. Color: Black F. Dimensions: Length 257 mm G. Package Contents: - 25 power grid insulators - Only the above items are included in the package, and other items are not included. H. Precautions: Light and different displays may cause slight differences between the color of the item and the actual product. A measurement error of +/- 1 - 3 cm is allowed.