Laser tool

Multiple realities
(covers information from several alternate timelines)

A laser tool was any type of tool that operated using lasers. Specific examples included laser drills, laser torches, and laser welders.

Laser tool, 2370

Quark's laser tool

In 2370, Rom and Quark used a laser tool to unseal a strongbox they had located in Deep Space 9's old chemist's shop. (DS9: "Necessary Evil")

The tool was identified in the episode's script.
Paris using a laser tool

Paris using a laser tool

Tom Paris used a type of laser tool for conducting repairs in 2371, while working at the construction site at the New Zealand Penal Settlement. (VOY: "Caretaker")

The term "laser tool" comes from the props section on the call sheet for the day of filming.
Laser tool, 2385

F8 using a laser tool

On First Contact Day in 2385, the A500 unit F8 used this laser tool as a makeshift weapon to kill several workers at Tri-hy station A19 before turning it on himself. (PIC: "Maps and Legends")

Cardassian disruptor, modified

Korath's laser tool

In an alternate 2404, Korath used a laser tool to modify a Cardassian disruptor. (VOY: "Endgame")

According to the script, the laser tool was used "to weld a component to" the weapon.