1983 - 1994 Chevrolet S10 Blazer Beltline Molding Kit, 4 Piece Set, Left and Right Hand. These beltlines mount on the top inner and outer part of the door to squeegee the door glass. The outers attach with the pre-applied clips and the inners attach with staples or rivets (not supplied). This is a 4 piece kit for both driver and passenger doors.