What is StockGuard made of ?
The 3.8 centimetre electric tape is made of 10 wires in 30%
thicker stainless steel (0.016 inches), no copper oxydation, 29
totally UV resistant polyethylene threads (0.020 inches) and 2
stout bumpers (0.04 inches) at the tape edges that have been
added for cut protection and no elongation, making it a stiffer
tape (not flimsy like other bad copies) to increase effectiveness
and protect against wear.
On top 
is a cheap
tape of low quality that won't last long, with wires as thin as a
hair that will get cut easily resulting in a big loss of power.
These wires of .1mm diameter have been proven to get cut after 6
sparks on our torture test stainless steel machine.
Below 
a StockGuard
tape made of wires of 0.4 millimetre diameter has been proven to
have a resistance up to 17517 sparks.
Our torture test machine consists of 3 fence chargers working in
tandem at triple speed to give 3 pulses/second.