Retro-Fit Mounting Bracket for use with the E-10A, E-30, W-1000 and W-3000. The VE-RMB attaches to the junction box supplied with Viking doorboxes and allows installation into existing walls. The bracket is screwed to the back of the junction box and provides a means of mounting even when no wall stud or support beam is accessible. Simply drill a 1/4 inch hole in the back of the junction box, and use the screw provided to attach the bracket to the box.After cutting a hole in the wall, slip the assembly through the hole and tighten the screw. No need to find a wall stud or support beam! Applications 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 Made in the U.S.A..