Middle connector MQ 957/12 is used with double steel legs in order to extend workstations of width 1200 mm.
For 1 pc of connector must use 2 pcs of leg MQ 957/55-N or MQ 957/63-N.
Connector fits following models of steel legs: MQ 5512, MQ 7312, MQ 7612, MQ 7912.