Anchor devices for fall protection are provided. The anchor device may comprise a structural sheet and at least one anchorage connector. The sheet may be a one-sided sheet or a two-sided sheet and may comprise a plurality of slots with an elongated or round profile for connecting the sheet to a working structure such as a roof. In some embodiments, the slots are at an angle. The anchorage connector may be one of the following structures: 1) a loop with a hole extending therethrough, the loop being integral with the sheet; 2) a lateral extension having a tubular portion that engages a connector ring; and/or 3) a bent extension connected to a connector ring via a bolt. In some embodiments, the anchor device may further comprise one or more testing projections.