1、Hardened lower sleeve and high-quality stainless steel measuring rod ensure strong wear resistance and long service life 2、The dial with high-accuracy engraved fonts, clear and easy to read 3、Shockproof brass movement, stable structure and accurate measurement 4、IP65 waterproof, easy to disassemble the probe 5、The measuring rod has embedded copper sleeve design, 8um interval, more vertical, more accurate 6、Metal limit device, with locking screw, fixed dial to prevent rotation, more accurate reading 7、With tolerance indication, you can set the tolerance range yourself which is convenient and intuitive 8、This product is made of high-quality materials after good heat treatment and special bright chrome process, easy to use, stable in structure and corrosion resistant. 1 x Dial Indicator1 x Black Base Item Type: Dial Indicator Measuring Range: 0-30mmAccuracy Level: 1 levelSide Head: High Speed SteelMovement Material: Brass movementIndexing Value: 0.01mmWaterproof: IP65 waterproof