Precision mechanism with Ø58mm 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 BMC. Features & Benefits:Precision mechanism with Ø58mm 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 BMC.Model No. DBG509 Specifications: Model No DBG509 Brand: Sealey Dial Diameter: Ø58mm Maximum Deviation Measurement with Stem: 1mm Maximum Deviation Measurement, Gauge: 10mm Nett Weight: 0.8KG Range: 35-50mm Resolution: 0.01mm