High Speed Back-twisting Machine 1,For CAT5E,CAT6,CAT7 2,Motorized ... Accurrate twist distance 1,Application:Applicable for the producing of data cable, for core wire pair twisting with ... equipment,such as CAT5E,CAT6,CAT7 etc.2,Specifications: Machine modelVertical box typeMax rotation speed1000rpmBack twist ratioMax 90% ... tansion HR-DB-500/630(bobbin size) High Speed Pair Back-twisting Machine