... tightness, they can be easily used. SpecificationsSand blasting nozzle holder Material:Aluminum,Nylon,Brass,Ductile lron Diameter: 1'' 1 /4''Sand ... blasting nozzle holder We supply quality sandblasting hose couplings ... in aluminum, brass nylon or plated iron, Full port blast hose coupling are made alumium or brasss. Nozzle holder are ...