Product details:

These black vents are crafted of all steel construction including a steel core. 6 x 10 Floor registers offer a fully operational steel damper for air comfort control. Black vents offer a classic Arts and Crafts mission design that is timeless. 6 x 10 floor registers can also be adapted for the wall if you use wall clips (order separately). Black vents offer one step drop-in style installation. 6 x 10 floor registers have a matte finish for an understated yet elegant look. Suitable for a hole size of 6 inches x 10 inches with overall faceplate measurements of 7 5/8 inches x 11 5/8 inches. Drops into hole approximately 1 1/4".