High quality RJ11 6P4C plug to plug leads supplied with UK BT431A telephone adaptor.Colour[tab]Black[br]Overall diameter[tab]4.3mmØ[br]Conductor diameter[tab]4 x 7 x 0.12mmØ[br]Conductor material[tab]CCA (copper clad aluminium)Length[tab]5.0m[br]Weight[tab]90g