Standard Pack = 1 piece(s). Type = One-Rev Dial Caliper ; Range = 6 Inch ; Accuracy = 0.001 Inch ; Graduation = 0.001 Inch ; Jaw Depth = 1.6 Inch ; Feature = Dial Hand Completes One Revolution Per Each .100 Inch , Self-Contained Movement Eliminates Gear Misalignment, Exclusive Dual Pinion Drive Mechanism Reduces Wear On Rack And Pinion, Beam Graduated In .10 Inch Increments, Thumbroll For Rapid Setting, Hardened Stainless Steel Throughout With Measuring Faces Precision Ground And Microlapped For Exceptional Accuracy, Knurled Lock Assures Precise Settings, Adjustable Dial Reads Directly To .001 Inch , Scale Surface Is Satin Chrome Finished To Prevent Glare, Four-Way Jaw For Outside, Inside, Depth And Step Measurements, Includes Case ;