4035B Color: Brass Features: -Include 2 pieces: flap for the front of a wall or solid door and inside trim for the rear.-Material: Brass.-ISO 9001: 2008 certified company.-Excelled in the field of manufacturing since 1936.-Made in the USA. Dimensions: -Spring loaded flap: 2" H x 8" W.-Rough opening: 1.75" H x 6.88" W.-Overall Dimensions: 2.75" H x 8.75" W x 1.75" D, 2 lbs.