The fact that complete beginners of guitar and piano sometimes can’t stretch their fingers as wide as they want can be very frustrating, but with this special tool we made, this can be much easier . Very suitable for guitarists, bassists, pianists and violinists, etc. Features -Color: White, Transparent -Material: Acrylic, Rubber -Size: 17.20X5.50X1.10cm/6.76X2.16X0.43in -Mainly suitable for finger exercises for beginners of musical instruments, quickly stretch your fingers, increase finger span and finger strength, and help you better play your favorite musical instrument. -The margin of the finger expander is smooth and will not scratch your fingers. - 's fingers are strengthened, and the fingers are quickly opened to increase the span. -The product helps to extend your fingers to play guitar, bass, ukulele, mandolin, piano, banjo, saxophone and all other keyboard instruments. -This tool is mainly used for instrument beginners to practice finger extensions. Package list: 1 x Finger Expander