Measuring Extender Dial Bore Gauge Set 50-160MM （1.97"-6.23"）Indicator 0.01MM(0.0003") Resolution Internal Measure Cylinder Instrument

Product Description:*Super precision deep measuring bore gauge apply to comparative method to measure the inner diameter of the workpiece.*Measures bore to 5.9" deep, Range 1.97" to 6.23" diameter, 0.0003" precision graduations.*The dial gauge diameter indicator comes with an excellent guiding bridge, which is self-centering and reliable.*Interchangeable contact points for measuring a wide range of diameters.Product FeaturesMeasuring diameter range: 1.97"- 6.23"Measures deep: 5.9"Accuracy: 0.0003"Package:1×Measuring extended heads, 1×Chrome plated handle, 1× ABS storage case

• Different Measuring Diameters: Range 1.97" to 6.23" diameter; Measures bore to 5.9" deep; Accuracy 0.0003".
• Super Precision Deep Measuring Bore Gauge - Two-point contact is used to detect geometric diameter measurement problems, like ovality and taper.
• Specialized Quality: Self-centering measuring extended heads, chrome plated handle and good quality ABS storage case.
• Use After Zero: Before measuring, be sure to adjust the pointer of the dial indicator to the "0" and select the measuring head of the appropriate size for measurement.
• Full time warranty: We offer professional technical guidance, please contact us if you have any doubts, we will help you to use it better.