Fisso Classic 3300-28 F + M 3/8" Articulated Indicator Holder Arm & Switch Magnet

see 2nd picture]: M1=M8 M2=M6 (in rare cases this may be M8, if that matters to you let us know. This is the end that connects to the adjustment). Info on Base: Holding Power (n): 800 Dimensions (mm): 60 x 50 x 55 Thread: M8 The Fisso Classic 3300-28 F + M 3/8" Articulated Indicator Holder Arm & Switch Magnet is an affordable & accurate option for most machining tasks. It's used in tandem with a gauge, and is great for measuring work pieces. It includes the adjustment (indicator holder), and base so you don't need other accessories to start using it. Using your Fisso articulating arm is simple. Attach your favorite dial indicator to the adjustment, position it, twist the knob, and you're ready to start measuring. Still have questions? You can contact us, or take a look at the Fisso Resource Center.