Features: Swiss Made. Easy, fast & accurate positioning. Precise microfine adjustment with dovetail and mounting hole. One knob simultaneously tightens / releases of all 3 joints. Uses a maintenance-free, mechanical central tightening system. Quick, stepless lock. High-quality, red anodized, light alloy. ROHS and REACH compliant. Overall Height(mm) 220 Radius of Movement(mm) 130 Microfine Adjustment hole diameter: 8mm Dial Gauge is NOT included. Still need an Indicator? Check out our selection here. Arm Dimensions (mm) [see 2nd picture]: L=130 L1=70 D1=9 L2=60 D2=8 Threads [see 2nd picture]: M1=M6 M2=M6 Info on Base: Holding Power (n): 300 Dimensions (mm): 36 x 30 x 35 Thread: M6 If your work demands a simple and precise way to take measurements, the Fisso Strato XS-13 F + S2 8mm Articulated Indicator Gauge Holder Arm with Switch Magnet is a great choice. It comes complete with both the base and indicator holder, eliminating the need to track down additional parts. Using the Fisso articulating arm is straightforward—attach your preferred dial indicator, position it as needed, twist the handle to secure it, and you’re ready to measure. Still have questions? You can contact us, or take a look at the Fisso Resource Center.