Precision mechanism with Ø55mm dial and locking rotating bezel, offering an accurate method of measuring a bore or detecting a taper or ovality. Will indicate the deviation from set size by up to 3mm with an accuracy of 0.01mm. Probe body, dial indicator, anvils and spacer rings are also included. Supplied in wooden storage case. Features & Benefits:Precision mechanism with Ø55mm dial and locking rotating bezel, offering an accurate method of measuring a bore or detecting a taper or ovality.Measuring Range: 50-160mm.Will indicate the deviation from set size by up to 3mm with an accuracy of 0.01mm.Probe body, dial indicator, anvils and spacer rings are also included. Supplied in wooden storage case.Model No. DBG5010 Specifications: Model No DBG5010 Brand: Sealey Dial Diameter: 55mm Maximum Deviation Measurement with Stem: 1mm Maximum Deviation Measurement, Gauge: 3mm Nett Weight: 1.12kg Range: 50-160mm