As control cables and machine supply cables, mechanical engineering, apparatus construction, high restoring forces and extension lengths up to 3 times the closed spiral length, durable in rough use due to resistant PUR sheath material, insensitive to contact with many mineral oil-based lubricants, diluted acids, aqueous alkaline solutions and other chemical media, fine-wire strand made of bare copper wires, core insulation made of special PVC P8/1, outer sheath made of special polyurethane, variants without obligatory LAPP naming, but with other block lengths, outlet lengths or outlet shapes on request, lengths of the straight ends: 1st end 200 mm, 2nd end 600 mm, use of talcum powder, core based on 0812/0285, sheath based on 0250/0285, resistant to microbes, hydrolysis and almost all mineral oils, high chemical resistance when exposed to of benzenes, petrol and other substances according to selection table T1 in the appendix, abrasion-resistant and notch-resistant,