Kagi RTD

The K&W Kagi RTD (Rapid Traversal Device) is an underbarrel grapple beam attachment for the Arclight Pistol.

In-game description
"Klaus & Werner’s Kagi RTD (Rapid Traversal Device) is an add-on for their popular Arclight II laser pistol. The Kagi generates a highly focused field for the rapid traversal of a zero-g environment and features a range sensor that dynamically shifts polarity to insure safe velocities during movement."