1.nylon sandblast coupling 2.1'',1/2''.3/4'',2'' 3.supply sandblaster,sandblast parts We supply sandblast accessories with excellent quality and best after service. Please find our standard products As follows: Sandblast Coupling ( Hose Couplings, Female Thread, Nozzle Holders, etc. ) Sandblasting fittings: Blast hose/air hose coupling: Nylon, brass, aluminium, cast steel Sand blast Nozzle hoders ...