This is a really nice bed frame!  I was pleasantly surprised by the quality of the materials.  I'm a woodworker and thought I would have to modify and/or make the connections stronger, but the hardware works well.  It's really sturdy once it's all tied together with the slats and the center supports.  I would definitely recommend putting boards on top of the slats for better mattress support and weight distribution.  It came in three boxes all packaged very securely, but mine still had some small dents on the edge of the rails, nothing I can't live without.