A REEL UNIT (1) FOR A FISHING REEL INCLUDES A COVER MEMBER, A FIRST MEMBER (9), AND A SECOND MEMBER (10). THE COVER MEMBER (8) IS MADE OF A METAL PLATE. THE FIRST MEMBER (9) IS MADE OF METAL. THE FIRST MEMBER (9) IS WELDED TO AN INNER SIDE OF THE COVER MEMBER (8), AND IS CONFIGURED TO PROTRUDE FROM THE COVER MEMBER (8). THE SECOND MEMBER (10) IS MADE OF SYNTHETIC RESIN. THE SECOND MEMBER (10) IS INTEGRALLY FORMED WITH THE COVER MEMBER (8) AND THE FIRST MEMBER (9) TO AT LEAST PARTIALLY COVER THE FIRST MEMBER (9). FIG. 5