Finely worked brass that works much better than the stone on the string I used. Buying a real lot seemed like a waste until I had to find the focal point on a 24 inch round tabletop I bought from Lowes. I hung from three points around the circle and lowered the plumb from each point. Intersection marked, then checked by balancing the tip on the head of the nail. Worked beautifully. The shape of the bean made it take root very quickly. The point made it easy to see when it stopped swinging by comparing it to the marker on the floor. Choosing the 16oz size for this application made the string taut enough that I could mark without much deflection. Attaching the cable was easy, it would have been nice if it had been included.
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