For use where outlets or switches are recessed back behind the drywall to keep flush with wall plate This is an easy, inexpensive solution to an outlet that is either spongy when plug is inserted or is recessed and lines up poorly with receptacle openings in wall plate Helps prevent shock, fire or shorting due to outlet movement Great for remodel projects, and installation of tile or paneling Use to bring electrical outlet or switch flush with cover plate Easily adapted for desired thickness Made of flame-resistant material Accepts #6, #8, #10 screws (not included) 4-inch tear-apart spacers caterpillar together to create desired shim depth Gardner Bender continues its mission of innovation and quality to produce new and improved products that exceed the ever-changing needs and technological requirements for the electrician