Eisco Labs Pendulums on Stand

Base Dimensions: 8in X 5 in X 1 in Rod Length: 42.75 in 3 Pendulum Bobs on Strings Included (Iron, Steel, and Wood) Pendulum Bob Hanger Included (Attaches to rod and holds 3 pendulum bobs Pendulum Bobs held simultaneously approximately 2.125 in apart from one another