This 11/16 x 4-1/2" primed MDF board offers a perfect blend of versatility and style for your interior finishing needs. Crafted from durable medium-density fiberboard, it features a smooth S4S (Surfaced Four Sides) finish with Square Edges (SE) for crisp, clean lines. Pre-primed and ready to paint, it’s ideal for use as baseboard, casing, accent trim, or wall panel detail.