These brass dowsing rods are intended to be used in divination not unlike the methods of a pendulum or similar such device. Grip them lightly and allow them to sway without any interference. From here, the way that they sway can help you explore "yes" or "no" questions and otherwise help you to discover the answers to the questions that plague you or otherwise aid in any similar way that you can imagine. Each L-shaped rod measures 7 1/4" by 5" in size.