The Performance Plus Wood Fish Puerto Rican Güiro is 14.5" long and includes its own scraper. The güiro produces a ratchet-like sound from parallel ridges cut in one side. You play it by rubbing a scraper (included) across the ridges. This güiro is designed with finger and thumb holes in the middle and is hollow on one end for sound projection. The güiro is a percussion instrument commonly used in Latin-American music. This guiro is hand painted with Salsa flair.