D’Luca Standard A-440Hz Tuning Fork, For Musical Instruments

D’Luca Standard A-440Hz Tuning Fork, For Musical Instruments. Resonates a constant pitch that is clear and pure. Can be used anywhere, musicians, music teachers and students can rely on its accuracy. Suitable for musical instruments: Violin, violas, guitars, cellos, pianos, etc. Standard A 440 Hz concert pitch. Measures: 4.75-inch-Long by .75 inch wide. Includes 1 Pitch fork and carry sleeve.