Features Strong Magnetism: There are 2 super magnetic magnets on the base, which can provide up to 176lbs of pulling force, and the magnetic force will increase on thicker metal parts. Adjustable Knob: Twist a black knob on the base to adjust the 3 rotatable joints in any direction and position, making it easy for you to adjust the angle. Cast Iron Material: Cast iron has high wear resistance and wear resistance, and also has excellent vibration damping properties, which can stably support the dial indicator. Long Service Life: The magnetic force of this base is strong and long lasting, and the bracket has good wear resistance, which greatly prolongs its service life. Strong Compatibility: This base is compatible with most dial indicators on the market. Its size is universal and it is a highly professional accessory. Specification: Item Type: Dial Indicator Base Material: Cast iron Maximum Pull: 176lbs Package List:1 x Dial Indicator Base Note:Please note that the color of the base will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Dial Indicator Base