Black and brass features, metal barrel and thimble. Housed in Black plastic box with blue interior and brass clip. The Precision Tool and Instrument Co Ltd, Surrey, England on the eyepiece. On the top of the box is inscribed The Precision Tool and Istrument Co Ltd, Thornton Heath, Surrey, Eng. On the box is a black label with white writing "Micrometer Eyepiece".micrometer eyepiece, eyepiece, micrometer, the precision tools and instrument co ltd