Fi-Shock for your electric fence is lightweight and so easy to install, repair and splice. This Fi-Shock, 9-Strand comes on a 656 foot (200 meter) spool and contains 9 strands of electrical conductors. It has a breaking load of 310 lbs. This is so convenient and will not rust. Note: This is not designed to function under extreme tension and must be used in conjunction with a permanent fence.