Precision machined and anodized aircraft grade aluminum body. | Finely woven premium cotton braided jacket adds styling and serves as the durable, outermost boundary to protect against physical wear and tear. | A 3-layer shielding system, including 3.2 mm and 7.6 mm PVC dielectric cores protects each conductor. | Precision machined brass body with electroplating finish for a solid build and substantial feel. | 99.99 %, OSD Oxygen Free Copper For Pristine Signal Transfer, High Dynamic Range and, Exceptional Conductivity.