53106(8) pieces Grilles: The period style scroll design make these floor registers perfect for any home restoration. Made of cast aluminum, they are rustproof & maintenance-FREE. Treated with a baked-on black powder coating each grille has a luxurious black finish & Renovator\'s Supply logo. Mounting hardware not included, measures overall: 3 1/2 in. x 14 in.While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.