Orthodontic Bracket Positioner Measuring Gauges & Calipers. Height Gauge 0.22mm. Height Gauge 0.18mm. Duck Barren Gauge Single Head. Duck Barren Gauge Double Head. Micro Boley Gauge Straight. Micro Boley Gauge Curved. Boley Gauge Vernier Caliper. Bracket Height Gauge Moveable. Dental Locating Gauge S+S. Dental Locating Gauge S+L. Castroviejo Caliper Straight (9-20). Castroviejo Caliper Curved (9-40). Manufactured from AISI 304 German stainless steel. Highly polished finish for aesthetic and corrosion resistance. Please return the product to our business address.