Transfer of the head of Calco Ter is by means of indirect levers. The quick change system for the tool in the ER16 collet holder spindle facilitates tool changing. Piece locking is ensured by means of a pair of horizontal pneumatic vices. Two jigs with standard figure and a pneumatic tracer are provided. Calco Ter is equipped with an automatic feed 3-bit drilling unit for cremone bolt machining. Adjustable in height and depth.