Metal construction for durability and long service life Measuring tool for internal diameters using a comparison method with a dial bore gauge Easy to use and reliable Accurate inner diameter readings with a clear dial indicator for efficient measurement Versatile for automotive repair and general machining tasks 2-3 practical use scenarios - Automotive repair: gently measure engine cylinder bores to assess wear and determine piston fit or need for honing. - Machining and manufacturing: verify bore sizes after drilling or reaming on lathes or milling machines to ensure part tolerances are met. - Quality control in production: quickly check internal diameters to confirm consistency and adherence to specifications Key attributes - Function: internal diameter measurement by comparison using a dial bore gauge - Material: metal construction for safety, durability, and long life - Size and compatibility: suitable for standard workpieces requiring inner diameter checks - Performance: reliable readings and straightforward operation for improved measurement workflow