... .tungsten steel coupling 2.diameter:38mm 3.two horn We supply sandblast accessories with excellent quality and best after service. Please ... blast Nozzle hoders: Nylon, brass, aluminium, cast steel We also supply: Camlock and groove quick couplings (Brass, Aluminum, SS316, SS304, PP ... air coupling (American type and European type) Whipcheck safety cable Large Tungsten Steel Sandblaster Coupling