Fisso Strato U-Line A-33 P + SM 8mm Articulated Indicator Gauge Holder Arm & Switch Magnet

see 2nd picture]: M1=M8 M2=M8 Info on Base: Holding Power (n): 1000 Dimensions (mm): 75 x 50 x 55 Thread: M8 The Fisso Strato U-Line A-33 P + SM 8mm Articulated Indicator Gauge Holder Arm & Switch Magnet will not disappoint. It's a smart choice when your machining job requires easy, quick, & extremely accurate measurements. The Fisso articulating arm includes everything you need to use it, all you have to do is add your desired dial gauge or indicator. After the gauge is added simply position, & engage the base, move the arm into place, and turn the knob. Just like that, you're now ready to start taking measurements. Still have questions? You can contact us, or take a look at the Fisso Resource Center.