These are sized by the duct/hole size and have an approximate 1&amp;quot; surrounding border, which adds approximately 2&amp;quot; to the overall width and length.  Louvers/dampers are not included, but are available separately.  Available with or without holes (matching slotted screws are included if ordered with holes).  Steel (black/grey/gold/oil-rubbed-bronze/silver/white) - $292 each  Louver/Damper - $135 each  Duct/Opening: 12&amp;quot; x 12&amp;quot;  Overall: 14½&amp;quot; x 14½&amp;quot;   Thickness: 3⁄16”  Other: This steel version has no shoulder/duct fitting, so it must installed flush to the floor or ordered with holes to be secured with screws (included).   * For other available sizes, styles, finishes, and prices, see our Reproduction Registers Guide at &lt;a href=&quot;http://thedoorstore.ca/wp-content/uploads/WEB-REGISTER-PRICELIST-2019.pdf&quot; rel=&quot;noreferrer nofollow&quot;&gt;thedoorstore.ca/wp-content/uploads/WEB-REGISTER-PRICELIST...&lt;/a&gt;Please contact us for current availability (prices subject to change).  &lt;a href=&quot;http://www.thedoorstore.ca&quot; rel=&quot;noreferrer nofollow&quot;&gt;www.thedoorstore.ca&lt;/a&gt;  