Insulclip High Strain Strainer has a long life and robust galvanised steel frame. The spool is designed for easy set up and wire alignment. Suitable for up to 4mm gauge fence wire it ensures any fence is strong, durable and hardwearing. Easy to use, simply tie it onto the strainer post and the wind fence wire onto the spool. Tighten as much that you think is suitable and high enough to suit your animals. When you are handling wire, wear protective clothing, gloves and safety glasses. Wire can be flexible so it is important to remain vigilant and cautious around it. Plan ahead and measure the area you need the wire to stretch. A suitable fence will keep your animals together and keep neighbouring animals out. Fencing your farm is essential to making your life easier and you're farming more efficient. Very easy to tighten wire is can be easily adjusted once correctly aligned.