【Accurate Dial Indicator】This bore gage set features a dial Indicator with diameter range: 0-0.25 inch; Resolution: 0.0005 inch. Use After Zero Setting - Before measuring, be sure to adjust the pointer of the dial indicator to the ‘’0’’ setting and select the measuring head of the appropriate size for measurement 【Self-Centering andUser-Friendly】The bore gage is Self-Centering for fast and accurate measurement, also, the insulated grip allows for easier measuring and is aasily adjustable. It is widely used for measuring the inner hole size of various processing techniques. 【Durable and Professional】All-metal clamping device, fastening the meter head, stable and accurate, durable. Insulated grip, comfortable to hold, effective heat insulation, safe and reliable. Sealed gauge head, aluminum housing, glass mirror cover, dustproof, clear scale, intuitive data, sturdy and wear-resistant. 【Accurate Dial Indicator】This bore gage set features a dial Indicator with diameter range: 0-0.25 inch; Resolution: 0.0005 inch. Use After Zero Setting - Before measuring, be sure to adjust the pointer of the dial indicator to the ‘’0’’ setting and select the measuring head of the appropriate size for measurement 【Self-Centering andUser-Friendly】The bore gage is Self-Centering for fast and accurate measurement, also, the insulated grip allows for easier measuring and is aasily adjustable. It is widely used for measuring the inner hole size of various processing techniques. 【Durable and Professional】All-metal clamping device, fastening the meter head, stable and accurate, durable. Insulated grip, comfortable to hold, effective heat insulation, safe and reliable. Sealed gauge head, aluminum housing, glass mirror cover, dustproof, clear scale, intuitive data, sturdy and wear-resistant. On Jul 5, 2024 at 10:44:19 PDT, seller added the following information: