3/8" Magnetic Base Adjustable Metal Test Indicator Holder Digital Level Stand

[Material]: The strut is made of aluminum and the base is cold drawn steel. [Size]: Fixed arm height: 6.9″; Extension arm length: 6.3″; Magnetic Base dimension: 2.30″x 1.98″ x 2.18″; Clamping Hole Diameter: 8mm; Holding Power: 135lbs [Magnetic base]: The magnetic bracket adopts switchable permanent magnet, which is easy to install on the metal surface. V-groove base for easy installation on cylindrical parts. [Universal knob]: Flexible, strong and precise rotary joint can adjust the support rod to any direction and fix it firmly. Spring-loaded fine adjustment on the top arm. [Application]: Used to maintain the position of a dial indicator or test indicator etc. during measurement operations.