PRODUCT DESCRIPTION The M-D Hardwood Low-profile Threshold is designed to seal the bottom of your door from drafts, moisture, dust and insects. The threshold can be used to install with a new door or to replace an existing threshold. All of the hardware needed for installation is included. Before installation, the threshold can be cut to a desired length by using a wood saw. To seal your doorway, this product should be used with a door sweep or an under door seal. FROM THE MANUFACTURER Attractive, hardwood provides a durable residential threshold. Low thermal transfer coefficient of wood helps save energy.