The Tissue-Tek Lab Aid block filing cabinet by Electron Microscopy Sciences provides secure storage and organization of blocks that have been embedded with the use of tissue cassettes, biopsy cassettes, mesh cassettes, mega cassettes, processing or embedding cassettes, and emberring rings. Its one-piece design and lack of hinges and doors allow dust-free storage. There are six drawers that are impact-resistant. This product is very compact in size, measuring 17" x 9" x 15"