Uses a 1 x 3" glass slide as a base, and duplicates the slide using the resin of your choice. Tissue sections are embedded against the flat glass surface. This duplicated resin slide can be studied under the Light Microscope, then cut, remounted, resectioned, and studied under the EM. A three cavity mold, each cavity measuring: 1" W x 3" L x 3/32" D. Reference & Instructions enclosed