Double-bladed short sword (or long knife) with about 20 centimeters of slightly curved blade.

A Kindjal is a large knife with a slightly curved double-blade approximately 20cm long. It was also classed as a short sword. Many family members of Great Houses were taught how to wield this weapon during the days of the Faufreluches.

Duke Leto Atreides carried such a weapon on his person.