Clinically proven for over 15 years, the original Microetcher II dramatically enhances bonding strength up to 400% by optimizing tooth and restoration surfaces before adhesion. Consistently superior to bur abrasion or acid etch—ends hazards of acids in the operatory. Removable, rotatable nozzle with thumb-button control provides a precise abrasive stream for intraoral or lab use. Requires a minimum of 60 PSI. Complete kit includes a 60° autoclavable nozzle, two abrasive reservoirs, 10 ft. air line and user guide.