Mount Your Viking Junction Box into an Existing Wall! product#VE-RMB 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. Features Specifications Shipping Weight: 0.09 kg (0.2 lbs) Environmental: 0 C to 32 C (32 F to 90 F) with 5% to 95% non-condensing humidity Junction Box Requirement: Use with the Viking 102mm x 102mm x 51mm (4 x 4 x 2 ) plastic box, part number: 259576 Minimum Wall Cavity Depth: 83mm (3.25 ) Minimum Wall Thickness: 3.2mm (0.125 ) Maximum Wall Thickness: 19mm (0.75 )