• Precision mechanism with Ø50mm dial and locking rotating bezel, offering an accurate method of measuring a bore or detecting a taper or ovality.
• Measuring Range: 35-50mm.
• Will indicate the deviation from set size by up to 5mm with an accuracy of 0.01mm.
• Probe body, dial indicator, anvils and spacer rings are also included.
• Supplied in wooden storage case.
• Model No. DBG509
