Door Trim: Made of virtually indestructible high-density urethane our door trim molding is cast from steel molds guaranteeing the highest quality on the market. High-precision steel molds provide a higher quality pattern consistency, design clarity & overall strength & durability. Lightweight they are easily installed with no special skills. Unlike plaster or wood urethane is resistant to cracking, warping or peeling. Factory-primed our door trim molding is ready for finishing. This is 78 5/8 in. L x 1 1/2 in. W x 11/16 in. projection. Coordinates with corner block 10517 and trim 10518.