Vernier calipers are usable for both inside and outside measurement. A roller adjustment ensures accuracy. Calipers are available in plastic and steel, and they come with a storage case.
Vernier Calipers
Cheap Professional Stainless Steel Vernier Caliper 0-150mm Sliding Gauge Measurement Tool Inside Outside
Stainless Steel Calipers Digital Vernier Caliper - Stainless Steel Body Lcd Gauge - Aliexpress
Mitutoyo Vernier Caliper 0-150mm / 0-6 with Thumb Clamp High Accuracy Mitutoyo vernier calipers can measure outside diameters (OD), inside diameters (ID), depth, and steps. The slider only moves when the spring loaded thumb clamp is depressed. A lock screw holds the sliding jaw in position. Hardened stainless steel construction, satin-chromed scales. This is a high accuracy model.
Mitutoyo 531-128 Vernier Caliper
Vernier Calliper: Definition, Diagram, Least Count, Parts & Applications
Mitutoyo 530 Standard Vernier Caliper, 0 to 150 mm, Graduation 0.05 mm, 40 mm Jaw Depth, Stainless Steel, Satin Chrome
Vernier Caliper Carbon Steel/Stainless
Remember when you had maximum precision in your measurements. Get the accuracy you need with the WEN Digital Caliper. The WEN calipers are designed to undergo 4 different methods of measurement, including inner, outer, step and depth measurements. The large LCD digital readout provides users accurate and easy-to-see readings in either metric, imperial or fractional units with a resolution of 0.0005 in., 0.01 mm or 1/128 in.
WEN 10764 Electronic 6.1-Inch Stainless Steel Water-Resistant Digital Caliper with LCD Readout and Storage Case, IP54 Rated
General Tools 1478 Digital Stainless Steel Caliper
Engineering Vernier Calipers Professional Measuring Calipers
Kynup Caliper Measuring Tool, Digital Micrometer Caliper Tool, Vernier Caliper with Stainless Steel, Large LCD Screen, Auto - Off Feature, Inch Metric Fraction Conversion (6Inch/150mm) - Yahoo Shopping
DASQUA 500mm / 20 inches Hardened Stainless Steel Measurement Tool Monoblock Vernier Caliper with Nib Style Jaws Manufacture and Factory