The Stainless Steel Curb Chain is about 5 1/2 inches long. The Burnished Stainless Steel Pendulum is about 2 inches long, 9/16 inches in diameter, and weighs 25 grams. This would be considered a medium weight metal pendulum.
The LARGE Chamber is about 7 mm (9/32″) diameter and 9 mm (3/8″) high. More space is available in the chamber cap.