Square D by Schneider Electric QOCGK2C QO Cover Generator and QOM2 Frame Size Main Breaker Interlock Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Use to interlock the QOM1 or QOM2 main breaker with a 2-pole breaker back fed from a generator</li><li>For use on indoor QO 150A - 225A Main Breaker Load Centers</li><li>Choose where you want to direct generator power to any circuit within the home</li><li>Does not require a separate generator panel</li><li>Includes an interlock bracket， retaining bracket， 1-hole drilling template， 3 hex nuts， (3) 10 - 32 shoulder screws and (1) interior mounting screw</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Y-8pUQ9eL.jpg" noproxy>