... Blast hose/air hose coupling: Nylon, brass, aluminium, cast steel Sand blast Nozzle hoders: Nylon, brass, aluminium, cast steel ... quick couplings (Brass, Aluminum, SS316, SS304, PP and Nylon) Guillemin coupling Aluminum and Stainless steel Safety clamps (conform ... lug short shank Sandblast coupling (Dutile iron, Aluminium, Brass, Nylon) Steam hose coupling (Ground joint clamp) Universal air coupling ...