Our main new line of portable line boring and rotary welding machine is the C40 DUAL SYSTEM. The new patents make this machine, available in three versions, a powerful tool, all-around, accurate and simple-to-use. The machine is a dual system, innovative solution that makes it separable.Three models: STD 250, also available in the Plus version, STD 400 and STD 600. The supplied accessories, if combined with the optional ones, can cover all the demands of welding and of the boring of precision, for the holes with a diameter between 45mm and 600mm. It also available Extra Kits for cover bigger holes. We have worked to create machines easy-to-use, focusing in some key aspects in order to improve performance