The iM3 University of Minnesota Retractor is used to lift and protect both tissue and the user when performing surgical extractions, especially whilst operating the high speed drill. It can be used to retract and protect the patients cheek, a raised gingival flap and/or to assist in holding the tongue down and out of the way. Made in Pakistan of French and Japanese stainless steel. Lifetime warranty covers faulty material and workmanship. Damage due to the incorrect use or handling of the instrument is not covered by the lifetime warranty.