Sealey DBG508 Dial Bore Gauge 18-35mm Precision mechanism with Ø50mm 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 5mm with an accuracy of 0.01mm. Probe body, dial indicator, anvils and spacer rings are also included. Supplied in wooden storage case. DBG508 Features Precision mechanism with Ø50mm 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 5mm with an accuracy of 0 01mm Probe body, dial indicator, anvil and spacer rings are also included Supplied in wooden storage case DBG508 Specification Model No DBG508 Brand: Sealey Dial Diameter: Ø50mm Maximum Deviation Measurement with Stem: 1mm Maximum Deviation Measurement, Gauge: 5mm Nett Weight: 0.51kg Range: 18-35mm Resolution: 0.01mm What is included: 1 x Sealey DBG508 Dial Bore Gauge 18-35mm