The Rutland Heavy Duty Strain Insulators - 60 Pack is for use at the end and corner posts in permanent electric fencing. They are made of a strong Glass Acetal material for maximum durability and use with polywire, polyrope, high tensile wire, and stranded steel wire. This 60 pack comes in a handy bucket with a resealable lid and a handle.

• Easy carry bucket with handle & lid
• Strong Glass Acetal material
• For use on end & corner posts
• For permanent fencing