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Sessions Shop Bob is a brass covered pendulum bob with a diameter of 4 1/2" and weight of 15 ounces. Sessions Shop Bob only fits pendulum rods measuring 5/8" or 16 mm in diameter.
Sessions Shop Bob is a brass covered pendulum bob with a diameter of 4 1/2" and weight of 15 ounces. Sessions Shop Bob only fits pendulum rods measuring 5/8" or 16 mm in diameter.