Set of 3x 3-Point Inside Micrometers 6-12 x 0.001 mm

Set composed of 3 internal thousandth three-point micrometers for measurements from 6 to 12 mm. Measurements: 6-8 mm; 8-10mm; 10-12mm. 2 calibration rings included, diameter 8 and 10 mm. Rod diameter 5.8 mm, maximum depth 100 mm. Certificate included
The item that is delivered is MAY NOT BE the one shown in the pictures, but an equal one