This is for one brand new lyre pendulum attachment, pendulum rod and bob. Give your clock a fancier look! Turn any plain rod into a beautiful pendulum. These are meant to be used on battery run pendulum movements. Not for use with large mechanical movements that require heavier pendulums to regulate timekeeping. Made of a light weight aluminum with a polished brass finish. Fits any 1/4" wide metal battery pendulum rod and simply slips over it. Light weight and will not interfere with pendulum swing. Choose from a single or double hook pendulum rod. The rod is 16" long but is slightly perforated every 1" so you can bend and snap it to the length you need before sliding on the lyre piece and bob. Assembles very easily. The tabs on the back of the lyre piece bend down over the rod to keep it from sliding around. Choose from a 4-1/4" or 6" tall lyre piece and a 2-3/4" or 3-1/2" diameter bob.