This is the narrow and XXTall Mount on narrow 3/4in base Screws are included to attach to swivel base. Screws are not included to attach to your wall. You will need long extension drive bit to reach through the narrow mount to screw into the wall. Total extension length added is only for the narrow section, add 3/8" for total extension piece.
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3/4in wide at base with 2in straight extension before the transition to 1.8in total wide for the swivel mount.