Polar Focus® - Surface Wall Mount WMV-2226-250-B is a two-piece unit with a removable arm for use on the surface of a wall. The arm can be bolted in high, medium, and low positions. [break] Zbeam® Wall Mount products have a Working Load Limit (WLL) of 250 pounds and a 10:1 design factor. A variety of accessories can be attached to the end of the arm, including Zbeam® halves and yokes (U-brackets). [break] A seismic Wall Mount option is now available - suitable for facilities in states with earthquake activity. [break] Pro audio rigging design, roof attachment, supplemental structure, sales, support and PE stamped drawings in any US State provided by Polar Focus. Call us today for more information at (413) 586-4444.