Fowler Electronic Brake Drum Gage - 74-150-020

• 4" to 20"/100 to 500 mm Capacity
• Inch/Metric/Fraction conversion
• 4" drum preset
• Zero set
• Hold Function
• Preset depth at 1" and 1.5"
• Resolution 0.0005" / 0.01 mm (Fraction in 1/64" increments)
• Protected to IP54 specifications
• Beam has vernier scale to double check reading
• Thumb lock
• Direct RS-232 output
• Can be used to check some disc measurement.
• Includes wooden case.