Suction sandblast nozzle 1) Bore Dia :6/8/10mm 2) Length :35-80mm 3) materail : ceramic .tungsten carbide,boron carbide JL Suction sandblast nozzle ,includes Boron carbide , tungsten carbide ,and ceramic nozzles ,the Bore dia usually is 6mm , 8mm,10mmMaterail Bore DiaBoron carbide6mm8mm10mmTungsten carbide 6mm8mm10mmCeramic 6mm8mm10mm Suction sandblast nozzle