End-degree length comparison instrument

The utility model discloses an end-degree length measuring instrument which comprises a base, a left measuring block and a right measuring block. The left measuring block is fixedly mounted at the left end of the base, the base is provided with a coarse positioning scale and a grating ruler, the coarse moving carriage is arranged on the base, the front end of the coarse moving carriage is provided with coarse positioning scribed lines and a grating reading head, the coarse moving carriage is provided with a micro-motion sliding plate, and the right measuring block is mounted on the micro-motion sliding plate; a coarse moving hand wheel and a locking handle are arranged on the coarse moving carriage; the right side of the right measuring block is provided with a micro-motion hand wheel, and the micro-motion hand wheel is provided with a micro-motion locking handle. And the coarse moving carriage is also provided with a digital display meter. According to the utility model, reference setting can be carried out