GROMMET

A grommet includes: a small-diameter cylinder portion through which a wire harness is inserted; a large-diameter cylinder portion including a harness draw port provided at a tip of the small-diameter cylinder portion and configured to draw the wire harness to an inner side of a panel, and an annular attachment recess fitted into a mounting hole of the panel; and a harness regulator protruding inward from a peripheral edge of the harness draw port of the large-diameter cylinder portion and configured to regulate a routing path of the wire harness by directing the routing path to either a left side or a right side.