Aluminium die-casting, precision processed finish and synthetic resin bonded paint finish. Thicker upper/lower frames, solves deflection problems and secures precision and durability. Long maxillary path, prevents movement on the guide plane at opening and closing. With a model retaining rod, magnet holder and plates can be attached. (see separates) (used with Ohtaki Version 2) Height adjustable screw allows for error checking on the intermaxillary dimensions (vertical dimension).