Sandblast nozzle holder parts,blasting nozzle holder ,hose couplings , boron carbide nozzle , blast rubber hose ,blasting Sandblast nozzle holder includes sand blasting nozzle holder , blasting hose couplings , ... port blast hose coupling are made alumium or brasss. Nozzle holder are standar thread or 50mm, use the size chart ... supply various sapre parts of sandblast machine Sandblast nozzle holder