The permanent insulators work perfectly with our galvanised steel  Y post, a robust and durable fencing component which comes with a 20 year guarantee against loss of colour 
or brittleness. 

Key Points:

Flat Standard Insulator Permanent with Nylon Insert (No5)
Designed for high strain, permanent fencing.
Strongest Flat standard insulator on the market, which makes it ideal for high country & extremes of temperature.
Made from low density polyethylene which has very high UV resistance therefore will not crack or break in extreme temperatures.
This is also supplied with specially treated mechanically galvanised nuts & bolts for fastening. These have been through a rigorous 1000 hour salt test to ensure they will last in all conditions.
  
Also backed up by an unbeatable 20 year guarantee