This fencing wire from polystrand is a cheaper alternative to tape when used on a wooden fence it can stop reaching or rubbing it has 6 02mm stainless steel conductors running through its length to ensure good conductivity and the wire is rated at 39 ohmsmetre breaking strength of the wire is 80kgs the greenwhite reel is 250 metres long and the bluewhite reel is 500 metres long to avoid degeneration from strong sunlight the wire has uv protection cheaper alternative to tape