IMI "Chainknife" (2020)

The IMI "Chainknife" is a melee weapon. Designed and manufactured by Israel, it has seen a great deal of use with Mossad agents.

Shaped somewhat like a survival knife, this a battery-powered (2 hours) hand-held combat saw which can chew through armor like cheesecloth (SP x 1/2, soft armors are reduced 2SP/hit).

Source

 * Blackhand's Street Weapons 2020, p.2