Click on these thumbnails for more views View 1 View 2 View 3 SmartArm The SmartArm combines a pneumatically suspended parallel arm workstation with a patented sensor. The sensor detects tool start-up and reduces cylinder air, causing the arm to power down. The descent rate is fully adjustable to provide axial force matching  the requirements of the screwdriving or drilling application. The unit has a working area radius of 8.5 in. to 31 in. and can support up to 10 lbs.