Top surface of running board is completely smooth.   Widened at the rear to match our wide rear fenders, while still matching the stock front fenders. Corematt – a thin fabric that adds stiffness and strength – is layered between the fiberglass in the large, flat area on top of each board.  YES – you can stand on them!  Includes carriage bolt brackets affixed in the stock locations.  * Hand-made with three layers of 1.5 oz fiberglass mat resulting in a part with consistent thickness and strength throughout * Hand-rolled to remove air bubbles that can compromise quality * No chopper gun used – EVER! * Finished in glossy, black, sandable, gelcoat.  Requires only minimal preparation before painting * Guaranteed to fit on stock, steel cars and many reproduction bodies.  (Note: Vehicle condition and modifications may affect fit.)