USB Logic Analyzer Device with EMI Ferrite Ring USB Cable 24MHz 8CH 24MHz 8 Channel UART IIC SPI Debug for Arduino ARM FPGA M100 SCM: Amazon.com: Industrial & Scientific
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SPI - 48 to 3 TPI, 0.5 to 6mm Pitch, 3 Inch Long, Thread Pitch Diameter Measuring Wire - 03293529 - MSC Industrial Supply