sandblaster nozzle gun with holder, valve, tip, long-lasting steel abrasive mechanics whether you are looking for a replacement sandblaster gun, nozzle, valve or want to upgrade, you need one of these! these long lasting nozzles are made fully out of steel where the abrasives touches. the nozzle holder is made out of brass, but the abrasive does not abrade nor touch this part. the nozzle is made out of 3/8" npt connections which is typical for most sandblasters. simply remove your old barbed 3/8" fitting from your old nozzle and thread it into this. the standard ceramic nozzles can be easily replaced by removing the holder. fully assembled in the usa!