Mitutoyo Internal Dial Caliper-Type Gage For checking internal bores, recess diameters and grooves. Features include... 5-15mm Measuring Range 0.005mm Graduations +0.015mm Accuracy Max Measuring Depth: 35mm Max Groove Depth: 2.3mm Minimum Groove Width: 0.8mm Ball Contact Points 0.6mm Radius Spring loaded opening Press Button for closing arms. Arms automatically open when button is released Unit is spring-loaded and makes point contact at constant measuring pressure
