The Screw,pan,4x12 is the lowest priced item on this Radio Antenna-hole Cap schematic.
Parts such as the Radio Antenna-hole Cap: Screw,pan,4x12, Cap,roof Seal, Washer,seal Cap are included in the Civic Wagon 1985 (f) Wgn Dx (ka,kl) Radio Antenna-hole Cap parts fiche.
Of all the components used in this assembly the Washer,seal Cap is the most expensive.