Perfect for home or travel, for musicians or teachers. A fine quality Nickel plated fork. Works great for Violin, Mandolin, Guitar. on the table set it on the instrument and tune your "A" string to 440 hz. A necessity for every player. Small and accurate for perfect tuning every time. Features - ColorAssorted Color - Material: Hard stainless steel. - Size: 12.30X1.60X0.80cm/4.83X0.63X0.31in - Frequency: A 440 Hz. - A implement with two prongs that gives a fixed tone when struck. - Used to tune musical instruments. - Perfect for home or travel, for musicians or teachers. - A fine quality Nickel plated fork. - Works great for Violin, Mandolin, Guitar. - on the table set it on the instrument and tune your "A" string to 440 hz. A necessity for every player. - Small and accurate for perfect tuning every time. Package list: 1 440 Hz fork 1 x Little Wooden Stick