This entrance lever door handle is part of the "Tristan" collection by Weiser. Made of brass with a satin chrome finish, it is both simple and elegant. This model can fit doors with a thickness that ranges from 1 3/8" to 1 3/4" (3.49 to 4.45 cm), and its latch has a backset that can be adjusted to fit all standard door preparations, namely from 2 3/8" to 2 3/4" (6.03 to 6.99 cm). This door handle has the SmartKey technology and comes with two keys. The lever can be installed on both the right or left side. Backed by a lifetime warranty.