The V-62T series by Randall Manufacturing is a premier triple seal door sweep for residential or commercial applications. It's triple seal design more effectively keeps our dirt, dust, air and other contaminants from entering the home or work space. It comes with slotted holes for easy installation and installation instructions are on the packaging. It is mean for gaps between the floor and door that are up to 1" wide. The aluminum is a heavy gauge and can stand up to heavy commercial use while also pleasant looking and applicable for residential use.