The image shows a black and white photo of two pieces of metal, one of which appears to be a shaft, and a ruler next to it.
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The image shows a black and white photo of two pieces of metal, one of which appears to be a shaft, and a ruler next to it. The shaft is made of metal and has a cylindrical shape with a pointed end. The ruler is placed next to the shaft, suggesting that it is being used to measure the length of the shaft.