The lyre harp is equipped with durable metal strings, pin nails, and rivets. Made with high-quality metal materials, the strings produce a clear and beautiful sound, are gentle on the hands, and are easy to tune. Includes a tuning wrench for adjusting string tension by turning clockwise or counterclockwise. High-quality harp end pegs ensure strong and consistent string fixation. The metal pins feature a bright finish, resist fading, and offer high hardness. Nickel-plated tuning pins with threads help replace loose tuning pins. Suitable for dulcimer, zither, harpsichord, or harps, these pins are safe to handle and enhance your musical experience. A great accessory for instrument maintenance and an ideal gift for children, adults, and musicians. Color: As shown Material: Wood + Metal Package Contents: 16 x Tuning Pin Nail 16 x Rivets 1 x Tuning Wrench Note: Only the items listed above are included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.