Starrett® dial Caliper, Accurate Direct Reading Reliable, series: 120, 0 to 6 in, +/-0.001 in Accuracy, Graduations: 0.001 in, 5/8 in Inside x 1-1/2 in Outside Jaw Depth, Measuring System: SAE, 1-1/2 in dia dial, White dial, Stainless Steel, Satin, 8-63/64 in L x 2-63/64 in W. Starrett® 120A-6 Accurate Direct Reading Reliable dial Caliper with Plastic Case, 0 to 6 in, Graduation 0.001 in