Features Vernier Scale in Inch Units for Taking Precise Outside Diameter(od) Measurements Ratchet-stop Mechanism Helps Provide Uniformpressure for Precise, Repeatable Measurements Baked Enamel Finish for Protection and Durability of Frame Satin Chrome Finish Onthimble and Sleeve Helps Resist Rust and Reduce Glare Carbidefacing on Spindle and Anvil Provides Wear Resistance Specifications Inside Depth : 8 Inches Item Weight : 0.7 Pounds Maximum Measurement : 1-2IN Measurement Accuracy : +/-0.0001IN Number of Items : 1 Part Number : 103-178 Range : 1-2IN Resolution : 0.001IN Size Name : 1-2IN Spec ial Features - Style Name : 0.001IN Graduationmitutoyo Od Micrometer 1-2IN/0.001 103-178