dial bore gauge 50-160mm diameter indicator measuring engine cylinder tool kit

the bore gauges are used to measure internal dimensions of work pieces by comparative method these series bore gauges are equipped with a good guiding protective bridge which can be self-centering exactly and reliably the moveable anvil on one side and an interchangeable on another side , which serves for setting the bore diameters this dial bore gauges measuring range is 50-160mm easy to measure, and with high accuracy, which is 0.01.syi