SSCE hose coupling is easy for connecting sand blast hose SSCE hose couplingQuick CouplingNylon 25mm ID,39mm OD1" ID,1-1/2" ... /8" OD32mm ID,51mm OD1-1/4" ID,2" OD Aluminium 32mm ID,48mm OD1-1/4" ID,1-7/8 ... ID,55mm OD1-1/4" ID,2-5/32" OD Aluminium 25mm ID,39mm OD1" ID,1-1/2" OD32mm ID ... ID,51mm OD1-1/4" ID,2" OD Threaded Quick Coupling Nylon 1-1/4"32mm2"51mm Steel 1-1/4 ...