PREMIUM MATERIAL: These electric fence insulators are made of high-quality galvanized steel and polypropylene. High strength, good insulation, no deformation, protection against sun and rain. Safe: Screw-in insulation is environmentally friendly and does not harm people or animals. So you can use it with confidence. Wide Range of Uses: The grid system accessories can be used as start, end, corner or line insulators, you can choose the use at will, providing a safe environment. Low Loss: This angled antenna insulator fits live wires without power and is suitable for standard and low impedance load regulators. Scope: Insulators for electric fence wires are suitable for electronic fences for livestock, mainly used in tetragonal tubes, round tubes and angle iron tubes. Specification: Item Type: Electric Fence Insulator Material: Galvanized Steel + Polypropylene (PP) Product Length: Approx. 9.5cm/3.74in Gross Weight: Approx. 1195g/42.15oz Specification: M6 screw type Application: suitable for livestock electronic fence, mainly used in tetragon tubes, round tube and angle iron tubes. Package List: 50 x Flat Head Insulator 100 nuts