Mahr Federal MarTest 800 Test Indicators Technical Specifications:
Order# Model Measuring Range Dial Style Readings
4305960 801 S1 ±.015inch 0-15-0 .001″
4305950 801 S ±.015inch 0-15-0 .0005″
4307950 801 SG ±.015inch 0-15-0 .0005″
4307970 801 SGI ±.015inch 0-15-0 .0005″