1 total travel and accuracy guaranteed to 0001 per 1Professional and quality dial indicator Heavier and stronger then more durable not so easy to be deformed more shockproof professional qualitypinion depth tool kit Indicator Point set with fit most American and imported indicators AGD specifications 448 threads 22 pcs test tips included in the storage case Turns your indicator into 22 different tools The base has Vgroove on bottom for mounting on cylindrical surfaces Permanent magnet surfaces with ONOFF control provides 176lbs 80kg Max Pull 30mm and up thickness metal countertopsurface Dial Indicator Body is made of machined anodized aluminum and NOT plastic Vertical lug back configuration Spindle rack pinions and gear trains are made of highquality steel components ensuring long life Fully adjustable chromeplated twoarm design for positioning the dial indicator at any angle or orientation 2 arms dimension Lower arm 67 Upper arm 63 Total Height 152 With fine adjustment knob for precise positioning