The Brown & Sharpe Tools USA 1-2" Outside Diameter Micrometer No 48 is a high-quality micrometer designed for precision measurements of outside diameters. Top of boc slidrs  size is 6.5x 2 3/4 -THE WOOD BOX HAS A CRACK THAT WAS REPAIRED See last picture. With a range of 1 to 2 inches, this micrometer is suitable for a variety of industrial and metalworking applications. The mechanical reading ensures accurate results, and it comes in a convenient wood box case for storage and protection. Made by the reputable brand Brown & Sharpe, this micrometer is a reliable tool for ensuring quality control and consistency in various manufacturing processes.