In an emergency, speed, safety and comfort are essential. Cuts the strongest alloys in less than 10 seconds, safely, without heat or discomfort. This modern system eliminates the old fashioned, lengthy and painful hand turned methods. High quality, powerful, cordless, battery operated (comes with 4 AA batteries). Since it's cordless, you can take it anywhere-- it's ideal in emergencies. The blade guard easily slips under the ring to protect hand and fingers completely. Chrome blade assembly can be sterilized. Comes with 1 year warranty on cutting unit (except blade). The ring cutter of choice for over 90% of all hospital emergency departments.