Microscope is mounted on a heavy duty boom stand, fully adjustable. Used items will show signs of wear sometimes including light scratches, discoloration, stickers/tape, or exterior markings. Thorough cleaning and sterilization are recommended before use. Biotech Bargains specializes in the great prices on new and used laboratory glassware, consumables and equipment. Our inventory is sourced through liquidations and surplus from the biotechnology and pharmaceutical industries. Thanks for checking us out! _gsrx_vers_1503 GS 9.2.1 (1503).