1966 - 1966 GMC 2500 Beltline Molding Kit. Rubber Covered Stainless Steel Core With A Felt Lining. 4 Piece Set, Left and Right Hand. These are the chrome style beltlines that mount with the pre-applied clips on the left & right doors to sweep the inside & outside of the glass. ???These are the chrome bead style. Our product is made from the original specs and from high quality ozone resistant materials.