The image shows a simple, black and white illustration of a ruler. The ruler is depicted in a vertical orientation, with its top edge pointing upwards. It has a series of evenly spaced lines that represent the measurement marks, but the specific measurements are not visible in the image. The ruler appears to be a standard type, with a flat, rectangular shape and a straight edge. The background of the image is plain and does not provide any additional context or details. The image is clear and the ruler is the central focus.