Description Crotales (/kroʊˈtɑːleɪz/), sometimes called antique cymbals, are percussion instruments consisting of small, tuned bronze or brass disks. Each is about 10 cm (4 in) in diameter with a flat top surface and a nipple on the base. They are commonly played by being struck with hard mallets.
On Wikipedia https://en.wikipedia.org/wiki/Crotales
Parent instrument Percussion