Accusize - 6'' x 0.001'' Precision Dial Caliper, Stainless Steel in Fitted Box, P920-S216 Range: 0-6&#039;&#039;, Resolution: 0.001&#039;&#039; Hardened stainless steel 0.100&#034; single revolution Direct reading to .001&#039;&#039; in large clear dial/.-100 Measuring face hardened, precision ground and micro-lapped for absolute accuracy Adjusting slide for fine adjustment Inside, outside, and depth measurements Satin chrome finish, crisp engraved graduations Clamp for repetitive setting Accurate to .001&#039;&#039; per 6&#039;&#039; Covered rack Deluxe case Range: 0-6&#039;&#039; Resolution: 0.001&#039;&#039; 0.100&#034; single revolution Accurate to .001&#039;&#039; per 6&#039;&#039; Direct reading to .001&#039;&#039; in large clear dial/.-100 Hardened stainless steel Measuring face hardened, precision ground and micro-lapped for absolute accuracy Adjusting slide for fine adjustment Satin chrome finish, crisp engraved graduations Clamp for repetitive setting Accurate to .001&#039;&#039; per 6&#039;&#039; Covered rack Inside, outside, and depth measurements