Specification Brand : ZJchao BulletPoint1 : [Wide Measuring Range] This dial bore gauge has a measuring range of 50-160mm, suitable for various tasks. BulletPoint2 : [Accurate Measurement] The bore gauges accurately measure internal sizes of work pieces by comparative method. BulletPoint3 : [High Accuracy] Easy to use and provides high accuracy with measurements up to 0.01. BulletPoint4 : [Versatile Usage] Features a moveable anvil on one side and an interchangeable on another side for setting bore diameters. BulletPoint5 : [Precise Guidance] Equipped with a self-centering protective bridge for precise and reliable measurements. FitType : Universal ItemName : ZJchao Dial Bore Gauge 50‑160MM Diameter Cylinder Measuring Tool Kit ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 32 centimeters ItemPackageDimensions_Width : 16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bore-measurement-gauges Manufacturer : ZJchao ModelName : ZJchaodvg3yaztfe ModelNumber : ZJchaodvg3yaztfe PartNumber : ZJchaodvg3yaztfe ProductDescription : 1. The bore gauges are used to measure internal sizes of work pieces by comparative method 2. These series bore gauges are equipped with a good guiding protective bridge which can be self-centering exactly and reliably 3. The moveable anvil on one side and an interchangeable on another side , which serves for setting the bore diameters 4. This dial bore gauge 's measuring range is 50-160mm 5. Easy to measure, and with high accuracy, which is 0.01