Vishay Sfernice 26 Series 10-turn scale dial, part number 26A21B10. This precision component features a 0.250" (6.35mm) shaft size, designed for accurate rotary position indication. The 26A21B10 offers a 10-turn capability, enabling fine adjustment and control in applications requiring multi-revolution settings. Its robust construction, packaged in a box, ensures reliability in demanding environments. Commonly utilized in industrial control systems, test and measurement equipment, and high-precision instrumentation, this scale dial provides clear and repeatable visual feedback for precise adjustments.