The 4-layer weave made of V2A spring steel quality effectively prevents the cable from elongating/expanding Maintenance free! The SPIEGLER steel flex cables are waterproof and do not absorb any moisture Thanks to the patented twisting system, the connections can be twisted for twist-free adjustment Note on scope of delivery: Included in our complete kits are all parts/small partsthat you need for installation is already included We provide all cables with a plastic coating Carbon (black-transparent) optics, as well as with Black anodized fittings supplied. Available anodized colors of fittings/connections: Silver, black, gold, blue, red or titanium Available colors of plastic coating: Black, Carbon (Black-Transparent), Transparent, White, Blue, Blue-Transparent, Red, Red-Transparent, Oran.