ALUMINUM CABINET MOUNTING BRACKET, FOR MOUNTING METER CABINETS, METERSOCKETS OR OTHER LIGHT-DUTY ENCLOSURES WITH A MAXIMUM WEIGHT OF 500 LBS.INSTALLS TO POLE OR WALL WITH TWO 1/2 IN FASTENERS, NOT INCLUDED. FOUR1/4 IN X 1 IN STAINLESS STEEL BOLTS ARE ADJUSTABLE FOR MOUNTING RANGEOF 1 IN TO 17 1/4 IN X 2 IN X 30 IN . SHIPPED UNASSEMBLED.