The 4183 is available in 2”, 2-1/2”, 2-3/4”, 3-3/4”, 5”, and 6” backsets. The full mortise pocket door edge pull features hidden spring activated bail. Shown here in the extended position, the bail is depressed to extend or release. It also has a deadbolt suitable for use with privacy and security functions. The 4183 is supplied with a strikeplate and dustbox.