Mitutoyo 468-247 (468-277) Digimatic Holtest Internal Micrometer 7-8″Brand: MitutoyoRange: 7-8"/177.8-203.2mmResolution: .0001"/.001mmProduct Description468-247 Mitutoyo Digimatic Holtest Three-Point Internal Micrometer: 7-8″/177.8-203.2mmThe Mitutoyo 468-247 Digimatic Holtest Three-Point Internal Micrometer has the following specifications:Range: 7-8″/177.8-203.2mmResolution: .0001″/.001mmAccuracy: +/- .00025″Measuring depth: 5.96″The Mitutoyo Digimatic Holtest internal micrometer utilizes three anvils and contact points for self-centering, precision measurements of the inside dimensions of bores. The 468-247 Mitutoyo Digimatic Holtest digital internal micrometer features self-centering anvils evenly spaced at 120° with contact points coated in Titanium Nitride (TiN) to provide accurate, sensitive measurements that are highly durable. Precision-machined gears ensure reliable, repeatable measurements that are shown on a large, easy-to-read LCD display in an impact and water resistant housing. The holtest’s ratchet stop mechanism provides a constant measuring force on the hardened-steel spindle to ensure accurate, even measurements.Features:Available in Metric and Inch/Metric modelsOptional extension rod allows for measuring deep holesSPC output function allows for quick and easy data management in real timeFunctions include Zero/ABS Setting, Data Hold, Data Output, Function Lock, 2 Presets, and inch/mm conversion (on inch/metric models only)Alarm: Low Voltage, Counting Value Composition Error, Battery ReplacementScale on thimble and sleeve is laser etched for easier reading in all conditionsIP65 protection permits use in environments exposed to cutting oil, dust, etc.*Holtests up to 4″/100mm diameter measurements supplied in a fitted plastic caseHoltests over 4″/100mm diameter measurements supplied in a wooden caseTechnical Data:Contact point: tin-coatingMeasuring method: Three-point methodDisplay: LCDBattery: SR44??Battery life: Approx. 8 months under normal useSetting Ring Not IncludedItem is sold in as-is condition, no returns.It looks to be in great shape, but we have never used it.Needs a new battery for sure.Only what you see in the pictures is included.