Aluminum Braid shield with 60% shield coverage 3rd layer: Aluminum Foil-Polyester Tape-Aluminum Foil (Duofoil) shield 4th layer: aluminum Braid shield with 40% shield coverage Description: Belden 7916A Series 6 Quad Shielded Coaxial Cable RG6, 18 AWG solid .040" bare copper conductor, gas-injected foam polyethylene insulation, Duobond® + aluminum braid shields (60% and 40% coverage), PVC jacket Suitable applications include HDTV, DBS, Broadband CATV, Cable Modem. Conductor Number of Coax: 1 Total Number of Conductors: 1 Series Type: Series 6 AWG: 18 Stranding: Solid Conductor Diameter: .040 in. Conductor Material: BC - Bare Copper Insulation: Insulation Material: Gas-injected FPE - Foam Polyethylene Insulation Diameter: .180 in. Outer Shield: Outer Shield Material Trade Name: Duobond® IV Outer Shield Type: Tape/Braid/Tape/Braid Minimum purchase 50 foot 50 cents per foot 10 to 50 feet 35 cents per foot Over 51 feet