The EATM-32-1900 electronic tapping arm was designed to help employees finish their work faster and more accurately by adding and automatic depth control. This control ensures that the job is done right the first time, every time. It has a double articulating are that features a set of twin parallel arms, made of heavy gage aluminum tubing that are effective at neutralizing vibration and torque reaction. They also allow the arm to reach to 74” from the base.