Brand new never used shielded copper wire. Extremely Flexible.
Made by HUBER+SUHNER, it is named H+S. Part number 84100296.

Large quantities and whole rolls available.
This wire is in the following layers starting from the inside working outwards.

2AWG or 35mm^2 copper wire very flexible.
Red insulation.
Braided steel shield.
White Cloth Tape.
Orange Insulation.

Local pickup available at the Kansas City location.
Sold by the foot.