T517 Jedi Killer

The T517 Jedi Killer was a droid that was given lightsabers to kill Jedi. This droid was only used in the Battle of Kalee.

Creation
The droid was though of by General Grevous as a way to kill more Jedi. When it was creates it was tested by throwing battle droids at it. Grevous tested its skills with a blade, by using pipes. When it hit Grevous after the test fifty, it was ready for combat.

Battle of Kalee
The droid went with Grevous to Kalee, the droid was defeated by Plo Koon.