We have tracking puller machines, 4 tracking puller machines of "BERCO" from Italy and 1 tracking puller machine of "MARUMA" from Japan to supported tracking's link pitch between 101-260 mm. 3 screw tighten machines of "BERCO" to use for screw's dia 1" to 12 mm. to torquing screw with high standard that is prevent loosen/ unbind track.