Patent attributes
A grommet includes a panel mounting portion to be mounted on a panel having an attachment hole, and an inner member to be assembled to the panel mounting portion and fitted into the attachment hole to lock an edge portion of the attachment hole. The panel mounting portion includes a base portion formed in an annular shape, a seal portion formed on the base portion, and a groove portion formed between the base portion and the seal portion, the groove portion being continuous in a peripheral direction. The inner member includes a restriction piece, which abuts against the edge portion of the attachment hole when the inner member is obliquely fitted into the attachment hole of the panel.