Add extra seating area on your deck with Deck Bench Brackets and your own lumber (2 x 4s or 2 x 6s). Build a short bench on one side or use as a railing with integrated seating around the entire perimeter. Its easy — very little measuring, cutting or fitting needed. Plus, you use only 7in. of deck space! All the hardware youll need is included. Can be used on new or existing decks. Great for docks, too. Lumber not included. Bench Brackets can be used for new installations or retrofitted into existing decks. Installation on docks make good use of space and provides seating that will not blow away Simple assembly uses basic tools ACQ treated-lumber resistant Bench Brackets should be spaced 20in. to 24in. apart and 4in. to 12in. from the end of a bench The total height of the assembled unit is 36in. from the deck surface The seat is 17in.H