Precise SUB orientation on MST

SUB-Support-Square (SSS) foot plate made from POM plastics and fixed onto any of the 3 MST with 4 x M6 bolts. Insure center-to-center position of the SUB with Magnetic-Bottom-Drive on MST all the time.

Select relevant internal diameters: 110, 130, 137, 150, 200 mm. Two heights being 15 or 35 mm. Like pn 2259-150-35.

Different dimension of SSS. Max ID mounted in this case on the shortest MST is 137 mm.