Mercedes Push-Pin Rivets for Trim panels air ducts x2 w123 w124 r129 w203 w210 Push-Pin Rivet Multi-purpose (set of 2) Trim Panels, Hood Pads, Bumper Covers, Air Ducts 20 mm Head Diameter, 14 mm Stem Length. Fits 8.5 mm hole. Black Nylon - Push Type Mercedes part# 230 990 00 92 9C75, check fit below. Genuine Mercedes part, recently made: not been lying around.