These are flexible braided copper & tin copper used as ground braiding tapes for batteries.Flexible braided copper/tin copper tapes consist of wires with a stringer wire diameter of 0.16 to 0.2 mm.

Material :

Annealed electrolytic grade copper wire.

Wire Diameter - 0.16 to 0.2 mm.

Packing :

In rings or spools or wooden drums.

https://www.rrkabel.com/application-based-cables/braided-strap-abcatc

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