The workstation supports two arms and there are left and right versions of each. Its unclear if they can be easily converted.

For polishing long objects like crystal rods

Above: 92002 with 155 jig. Source

For lapping jigs.

Above: SBT 920. Source

This is shown on website 920 page but I don't see it referenced in any of the supporting material. Is this a newer version of the 92002?

when only specimen should hit plate

Sweeps jig across lapping wheel. More uniform lapping and more even wear on wheel

Non-motorized workstation.