Histo-Tek Cassettes offer your lab a secure, efficient, and economical solution for tissue processing. Sure-locking lids and closure guides prevent premature separation of lid and base during processing. Plastic disposable lids, easily removable with a twist, eliminate the need for cleaning. Cassettes are resistant to solvent and decalcifying solutions, and have unlimited applications, including identifying surgical specimens from autopsies, STAT biopsies, and frozen sections.