Safety Spring Door Closer, 4-1/4 in., Diecast Construction, White, Non-HandedThis is a surface mounted spring loaded door closer. It will work on doors up to 150 lbs. . The closer is non handed and has adjustable tension. Ideal for mounting on the frame of any door you want to close after being opened, Used to convert right or left hinged doors to self closing doors 1 in. wide base, 4 1 4 in. hole center spacing, 4 3 4 in. arm These safety closers feature an adjustable closing speed and they can close doors weighing up to 150