Vertical Stages 7VT40-13 is made in most compact design. Platform is made with central M6 mounting hole and six M3 mounting holes for stacking with 174 and 184 series stages and other objects. Vernier scale is engraved on one side of the stage. Travel range 13 mm. Four M4 holes are made in the positioner's platform for mounting on other suitable surfaces, two of those can be used as thought holes for M3x10 screws to stack stages ontop of others, for example on translation stage 7T184-13.