The LCN Door Closer 1450-Rw/PA in Aluminum with a rectangular shape is a self-closing door hardware designed for various types of doors including patio, cellar, side entrance, internal, and security doors. This heavy-duty unit is easy to install with adjustable backset and closing speed, making it suitable for commercial and residential applications. With an ANSI Grade 1 rating and surface-mounted feature, this door closer from LCN is a reliable choice for your business or home.