Viking VE-RMB Retro-Fit Mounting Bracket

The Viking VE-RMB Retro-Fit Mounting Bracket attaches to the junction box supplied with Viking doorboxes and allows installation into existing walls. Viking VE-RMB Features: Provides a means of mounting even when no wall stud or support beam is accessible Allows mounting Viking junction boxes into an existing wall Handles a wide range of wall thicknesses Holds the junction box in the wall until the doorbox can be installed Made from rust-resistant galvanized steel Mounting screw included Minimum Wall Cavity Depth: 3.25” (83mm) Minimum Wall Thickness: 0.125” (3.2mm) Maximum Wall Thickness: 0.75” (19mm) $25.08

source https://www.vikingtelecomsolutions.com/viking-ve-rmb-retro-fit-mounting-bracket.html