MicroEtcher II Intraoral Sandblaster improves bond strength by increasing the surface area and simultaneously activating the surface, all mechanical bonding procedures are improved. Etching all metals, composites and amalgam for maximum bond strength. Intraoral porcelain repair. Pit and fissure prep. Cleaning dark grooves to reveal decay. Prepping incipient lesions and minor Class I and V. Debriding bur preps for best esthetics and bonds. Complete Kit contains: MicroEtcher II, 60 degree nozzle, 9" air line, 1 abrasive jar and instructions.