Fi-Shock PW-400 Polywire, 6 Strands of Electrical Conductors, 400 Meters/1,320 Feet Spool Breaking load of 180 lbs Lightweight and convenient Easy to install, repair and splice. Will not rust Contains 6 strands of electrical conductors Fi-Shock Energized Fencing provides safe, secure, superior quality electric fencing for all your animal containment and control needs