General Grievous' lightsabers

General Grievous' lightsabers were lightsabers which General Grievous didn't use in the Clone Wars until the Battle of Alzoc started in 20 BBY, General Grievous created is own lightsabers after the shuttle accident and the defeat by his former master San-se Beloni, the blades of them were yellow in color, they were created in 41 BBY after the birth of Anakin Skywalker an the young Twi'lek Julie Bronoson from her dying mother. They were later destroyed by the explosion of the Seperatist underconstructed super weapon the Kill Ball II, after the death of General Grievous, the Seperatist Droid Army found him half cremated and picked him up to the resurrection center and reprogrammed him into evil again.

Hilt Designs
The hilts of the lightsabers resembled the red lightsaber of General Grievous in his Jedi warrior years, they're blades were yellow in color, the hilts had black markings for the dark side in a form of the Confederacy of Independent Systems.