... Quick Connect Coupler, S.Steel 201 2.SH, SM, PM, SF, PF 3.IMPA:351221-351456 4.A general purpose coupling ... which can close . Quick Connect Coupler, S.Steel 1. ... IMPA:351221-3514562. SH, SM, PM, SF, PF3. A general purpose coupling ... connection.4.It is a convenient,compact coupling set which connects and disconnects easily,providing ...