Meterk Guitar Tool Kit Tuner Plectrum Holder 7 Picks Guitar Accessories Professional guitar accessories meet different needs. Features: Tuner: Tuning A0(27.5Hz)-A3(1760Hz). Powered by one CR2032 button battery (not included). Work for Guitar/Bass/Ukulele etc. : Fits for 6-string/4-string Guitar/Bass/Ukulele etc. Pick Holder: Alice guitar pick holder can hold up to 6 pieces picks thickness 0.71mm. Picks: practical material 7 pieces 3 x 0.46mm 2 x 0.71mm 2 x 0.96mm. Color random. Specifications: Package size: 200 * 100 * 50mm / 7.9 * 3.9 * 2.0in Package weight: 100g / 3.5ounce Package list: 1 * Guitar Tuner (Battery not included) 1 * Guitar 1 * Pick Holder 7 * Picks (color random)