This is an 40x40mm manual microstage that allows you to adjust in X, Y axises. Travel distance is 10mm for both axis. The base is included and it has many mounting options -- it has 4 1/4-20 threaded holes to mount on tripod or QR system; 4 through holes to mount on 8020 aluminum T-slot extrusion; 4 holes to mount on 60x60mm microstages such as Z axis vertical stage.
 
The top plate (red block) has 3/8-16 threaded holes and our specimen holder (sold separately) can be mounted which give you more flexibility and fine tuning.