The lyre harp is equipped with durable metal strings, pins, and rivets. Made with high-quality metal materials, it produces clear and beautiful tones without hurting your hands and is easy to tune. Tuning Wrench: Use the wrench to adjust string tension by turning clockwise or counterclockwise. High-quality harp end pegs provide strong and consistent string fixation. Made of metal pins with a bright finish, non-fading, and high hardness. Nickel-plated tuning pins with threads help replace loose pins. Suitable for dulcimer, zither, harpsichord, or harps. Safe design will not cut your hands, offering a pleasant music experience. A great accessory for use on dulcimer, zither, harpsichord, or harps. Ideal gift for children, adults, and bands. Color: As shown Material: Wood + Metal Package Contents: 16 x Tuning Pin Nail 16 x Rivets 1 x Tuning Wrench Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.