Description: 【Flexibility and Durability】: This Dial Indicator with Base features a sturdy and flexible arm that can be locked at any position using a knob, providing you with the versatility to suit your needs. 【High Stability and Precision】: Dial Indicator with high stability and fine tuning capabilities, range 0-1.0'' mini scale 0.01'' , ideal for mechanical processing, workpiece measurement, and equipment calibration. 【 V Groove Base】: The V groove base allows for secure installation on cylindrical surfaces, provide a maximum pull of 176lbs, ensuring the stability of your measurements. 【On/Off Control】: This Dial Indicator with Base Holder Stand with an on/off control feature for easy using. 【Quality Material】: Professional Dial Indicator Base is made from quality metal, this product is not only of premium quality but also highly sturdy to withstand long term use. Specification: Material: Metal Size Chart: 49cmx63cmx180cm/19.29inchx24.80inchx70.87inch Package Includes: 1 Dial Indicator with Base Note: Please allow slightly errors 1-2cm differences due to manual measurement.