New clock pendulum suspension spring for movements used Colonial, Howard Miller, Ridgeway, Seth Thomas, Pearl, Baldwin, Sligh, Emperor, Mason & Sullivan.
The suspension hole will work with a thumb screw or taper pin.
This is a stiff spring designed to keep the decorative Lyre Pendulums swinging in a straight line, will also work on wood stick type pendulums,. 1" x 1/2"
Note: I also have listed a smaller version of this spring, Do not worry if you order the wrong s spring, I will do even exchange and ship correct s spring n/c