A reel includes: a hub in which plural through holes are formed at a connecting portion that interconnects a cylinder portion and an axial center portion; a first flange disposed on one end portion of the hub and equipped with first insertion portions that are inserted into the through holes; a second flange disposed on the other end portion of the hub and equipped with second insertion portions that are inserted into the through holes; and joint portions configured to join the first insertion portions and the second insertion portions, with spaces between radial direction inside wall surfaces of the through holes and radial direction inside wall surfaces of the first insertion portions and the second insertion portions being smaller than spaces between radial direction outside wall surfaces of the through holes and radial direction outside wall surfaces of the first insertion portions and the second insertion portions.