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Heavy Duty External Quartz Pendulum Drive

5 1/2" x 2 5/8" x 2"

Heavy Duty External Quartz Pendulum Drive. The strongest battery operated pendulum swinger available. This pendulum swinger is so strong we put the largest metal grandfather clock pendulum on the market, along with added weight, and it kept swinging no problem.

This unit operates on two C cell batteries (not included)