The temporary 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:
Unique slot in top of insulator to insert wire. 
Quick & easy to use on permanent or temporary fences.
Made from low density polyethylene which has very high UV resistance therefore will not crack or break in extreme temperatures.
Also backed up by an unbeatable 20 year guarantee