Available for Centec Millers: Copies of the Original Instruction Book for the 2A, 2B, 2C & Automill Combined raising block and overarm. This robust unit both lifts the vertical head 4-inches and can also be used in place of the standard overarm - so allowing the vertical head to remain in place during horizontal milling. Please Email for details of all the above For details of these heads please contact Philip Sparholt on: sparholt@mail.tele.dk