Tool for estimating inner diameter of cigar packaging box

The utility model discloses a cigar packaging box inner diameter size estimation tool which comprises a vertical transparent piece and a base, and the long edge and the short edge of the base respectively extend upwards to form a transverse baffle and a longitudinal baffle. First scale marks are arranged on the upper surface of the transverse baffle, and a first sliding block is arranged on the transverse baffle; second scale marks are arranged on the upper surface of the longitudinal baffle, and a second sliding block is arranged on the longitudinal baffle; the long side and the short side of the vertical transparent sheet are perpendicular to each other, and the short side is provided with a third scale line. The whole operation does not have special requirements on experience and proficiency of a user, and the user only needs to place the cigarette in a specified position of the tool and then adjust the graduated scale to read a corresponding reading; the number of damaged cigarettes in the packaging proce