Product DescriptionHandle Tie, Number Of Poles 2, For Use With Bq, Bqh, Hbq, Blh, Hbl Circuit BreakersFrom the ManufacturerSiemens handle tie locks two breaker handles together so that they have a common operation. The handle tie can be used to connect two single pole breakers together, allowing for one throw to turn both breakers "ON" or "OFF".