A vibroknife, sometimes written as vibro-knife, was a kind of knife that had a small, vibrating blade which emitted a humming sound when turned on. This weapon could slice through metallic substances, such as droids and even stuncuffs.
Following the conclusion of the Galactic Civil War, the bounty hunter Mandalorian named Din Djarin employed a vibro-knife as a weapon for close-quarters combat in several instances. Lieutenant Weel from the First Order Security Bureau made use of a vibro-knife to question Suralinda Javos; however, she overcame him and initially utilized the knife to free herself from restraints before saving Poe Dameron from a squad of stormtroopers. Devi possessed a vibro-knife while she was scavenging on the planet Jakku.