KOBRA 270 TS HS-6 AOKOBRA 270 TS HS 6 AO Professional high security touch screen shredder for medium large sized offices Professional high security touch screen shredder suitable to shred "Classified" and "Top Secret" documents: all controls are activated by simply touching the panel. Motor thermal protection: 24 hour continuous duty motor without overheating and duty cycle, carbon hardened steel cutting knives. Kobra 270 TS HS 6 AO can shred a paper sheet in about 20.