Sold as one unit. (1 unit = Sp/500.) 18 AWG, CW (copper clad steel center conductor). Shield: foil, single side aluminum/poly tape and braid, 64/0.16mm aluminum alloy (60% coverage). Suitable for broadband applications. Foil is bonded to dielectric. UL listed. Black. 500" Spool . Manufacturer number: RG6UL60-500. SKU #: 3167814. Country of origin: China. Distributed by Vanco International. 18 AWG CW (copper clad steel center conductor) ,Shield: foil single side aluminum/poly tape and braid 64/0.16mm aluminum alloy (60% coverage) ,Suitable for broadband applications ,Foil is bonded to dielectric ,UL listed ,Black ,500" Spool