NEW cuckoo clock weight. Made in the Black Forest of Germany. 320 gram (11.3 ounce) cast iron. Excellent quality. 5 1/8" long x 1 1/16" wide.
This is a very popular weight size used with 30 hour (1 day - the clock is wound on a daily basis) Regula 25 cuckoo clock movements. Will also work with other brands. Typically used on 1 day - 2 or 3 weight cuckoo clocks.
Thanks for looking!