Clock Pendulum Stick. Comes in either 3/4 inch wide or 1 inch wide. The rating nut and there threads included. This comes with a Hermle Top Hook but that can be removed and any other top hook attached in its place. The pendulum comes in some various lengths, if the length is not good for your needs you can cut it down smaller to whatever you need. The measurements listed is the pendulum sticks length from tip to tip including the rating assembly.