Fisso Strato U-Line A-20 P + M 3/8" Articulated Indicator Gauge Holder Arm & Switch Magnet

see 2nd picture]: M1=M8 M2=M6 Info on Base: Holding Power (n): 800 Dimensions (mm): 60 x 50 x 55 Thread: M8 If you're here you're probably considering the Fisso Strato U-Line A-20 P + M 3/8" Articulated Indicator Gauge Holder Arm & Switch Magnet. It's a fantastic pick when easy, quick, & highly accurate measurements are required for your task. It includes everything you need to use it, all you have to do is add your favorite gauge. After you do just place and engage the base, move the arm position, twist the knob, & you're ready to start taking measurements! Still have questions? You can contact us, or take a look at the Fisso Resource Center.