Accusize - 8" x 0.001"/200mm x 0.02mm, Inch/Metric Dual Needle Precision Dial Caliper Stainles Steel, In Fitted Case, P920-S238 Range: 8&#034;/200 mm Resolution: 0.001&#034;/0.02mm Hardened stainless steel Direct reading to 0.001&#034;/0.02 mm on large clear dial Utilizes two separate needles for inch or metric readings Precision ground and micro-lapped adjusting slide for fine adjustment Inside, outside, and depth measurements 0.100&#034; single revolution Range: 8&#034;/200 mm