![Back Opening Bellow 7 cm (10567413199)](http://perrinwatchparts.com/cdn/shop/products/71.051B-600_600x600.jpg?v=1595350786)
Back Opening Bellow 7 cm makes the authentic "cuckoo" sound from a Cuckoo Clock. This Bellow is a back opening Bellow that has a length (L), as shown in the diagram, of 7 cm. (Length of column excluding the foot)
Back Opening Bellow 7 cm makes the authentic "cuckoo" sound from a Cuckoo Clock. This Bellow is a back opening Bellow that has a length (L), as shown in the diagram, of 7 cm. (Length of column excluding the foot)