Vernier caliper:

1.Four-way  measuring : internal diameter,outside diameter,step and depth

2.With fine adjustment device and depth indicator.

3.Using the single(double) scale, which is in metric or inch units.

4.Made of carbon steel .

5. With a fixed scale and sliding scale.

6.Safe operation and convenient usage

7. Range:0-150mm / 6'', 0-200mm / 8'', 0-300mm / 12''

8. Accuracy: 0.01mm / 0.0005'', 0.02mm / 0.001''