Specifications and features: 
Fiberglass reinforced super polymid construction
Range of 0-6" to 0-150mm
Direct .001" readings 
Gradations .001" increments with 0.100" per single revolution of dial
1.0mm bar scale
Dial adjustable to zero
Four way measurements: outside, inside, depth and step

Plastic Dial Caliper - 
Comfortable friction thumb roller opens and closes caliper. Large, easy to read black numbers and markings on white background. Case maximum and trim length chart and fitted clear plastic storage case. Caliper is imported.