[Premium Material] Super Hard Carbide Anvils ,Ratchet Thimble handle for precise application of force. Laser Etched Graduations will never fade. [Package Includes] Includes 1PCS Premium Quality Micrometers with measuring ranges: 0-1inch, Graduation: 0.0001inch; Accuracy: 0.0001inch Padded Case, Calibration Standards And Wrenches Are Included. [Applications] Widely Used For Precise Measurement Of Length, Diameter Or Thickness. [Easy to Operate] The spindle of the machinist tool set is accurate, and the object is placed between the spindle and the anvil. Thus, you can get precise data by adjusting the spindle. Please note : the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color As Shown Material :alloy steel Package Contents: 1 * Micrometers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.