Sessions "S" Pattern Mantle Clock Pendulum Bob Hex Shape

Sessions "S" Pattern Mantle Clock Pendulum Bob, Hexagon Shaped. Reproduction six sided pendulum bob for clocks made by the Sessions Clock Company. Normally used on their mantle clocks and shelf clocks. Probably many other clocks used this bob. Weighs approximately 2.3 oz. 1-5/16" wide. Can be used in any clock where the speed adjustment is part of the clock movement (usually a small hole in the dial at 12 o'clock or slot near the minute hand).