Center Conductor Copper Clad Steel 0.0177 inch 0.45 mm Dielectric Solid Polyethylene 0.061 inch 1.54 mm Inner Shield Unsealed APA Tape 0.065 inch 1.65 mm Outer Shield 38AWG, 90% Tinned Copper Braid 0.081 inch 2.05 mm Jacket Black PE 0.110 inch 2.79 mm