The chain is about 5 1/2 inches long. The pendulum bob is about 2 3/16 inches long, about 1/2 inches in diameter, and weighs 17 grams. This would be considered a medium weight gemstone pendulum.
The chamber is about 7 mm (9/32″) diameter and 9 mm (3/8″) high. More space is available in the chamber cap.
The pendulum metal material is nickel plated brass. The chain VIBRATION-FREE nickel plated brass.