Short-range version of lasgun used mostly as a cutting tool and surgeon's scalpel.

A laser used in a range of tools - including mining equipment.

The planet Dune presented a very harsh environment to its human inhabitants. The most sensible way to live was to burrow underground in solid rock.

These tools were also used by the Fremen once they were able to work within the system to get the tools of the Imperium to do their work in transforming Dune:

Station tools began finding their way into the sietch warrens -- especially cutterays which were used to dig underground catchbasins and hidden windtraps.