Features Length Measuring Tool: Dial indicator is a universal length measuring tool made of precise rack and pinion mechanism. With Adjustable Arm: The dial indicator has an adjustable control arm to achieve precise alignment and measurement. Made of Stainless Steel: Made of stainless steel, wear resistant and rustproof, can be used in various measurement environments. High Accuracy: The dial indicator has a range of 0‑10mm and an accuracy of 0.01mm, which has good performance. For Error Measurement: The dial indicator can be used to measure shape and position errors and other mechanical measurements. Specification: Item Type: Dial Indicator Material: Stainless steel Range: Approx. 0-10mm / 0-0.4in Accuracy: 0.01mm Dial Size: Approx. 52mm / 2in Package List: 1 x Dial Indicator 1 x Bracket Board 1 Set Accessories(5Pcs) 1 x Plastic Box Note: When using, please fix the dial indicator on a reliable holder to avoid inaccurate measurement or damage to the dial. Package List 1 x Dial Indicator 1 x Bracket Board 1 Set Accessories(5Pcs) 1 x Plastic Box