Dial Indicator, Continuous Reading, Dial Size 1-1/2 In., Range 0 to 0.200 In., Graduations 0.0010 In., Dial Reading 0-100, Range per Revolution 0.100 In., Long Form Calibration Certificate No, Dial Color White, Bearing Type Plain, Back Type Flat, Contact Point Dia. 3/8 In., Bezel Lock Yes, Features 1/4 In. Shank, Continuous Dial Up to 0.200, Includes 3 Contact Points