Set of four wood bed risers--Mahogany finish, Nicely weighted, solid wood * Each set features two steel rods and pre-drilled holes for optional stacking * Each block measures 4.5" square and is 3.5" high * Fits casters up to 3" in diameter, and square or round bed posts up to 4.5" * Each riser has a 3" diameter "well" to cradle round legs or casters