MicroEtcher ERC Sandblaster, Includes: MicroEtcher ERC handpiece, .048' nozzle assembly, 9ft long airline, 2 abrasive jars & O-ring kit. Etching all metals, composites & amalgam for maximum bond strength, removing temporary cements. Designed for laboratory use. The nozzle may be rotated 180° in either direction but is not removable. The ERC can be cold sterilized but is not autoclavable. Sold separately: Male Quick-Disconnect to connect MicroEtcher to all the female fittings, search for #44020 Single etcher