Manufactured according to DIN 46438, with bare or tinned copper wires. Plaits are made up of more “little plaits” even making a concentric plait (1+6). The right or left lay length is obtained on customer’s request. They show a very firm surface and regular diameter. On request, it is possible to produce sections up to 25 mm2 having elementary wire 0.05÷0.25 mm.