The lyre harp features metal strings, pins, rivets, and a 10-string design. Made with high-quality metal materials, it produces clear and beautiful sound, is gentle on hands, and easy to tune. Tuning Wrench: Use the wrench to adjust string tension by turning clockwise or counterclockwise. Provides stable tuning, excellent sound quality, and resistance to moisture and rust. High-quality harp end pegs ensure strong and consistent string attachment. Constructed from metal pins with a bright, durable finish that resists fading and offers high hardness. Nickel-plated threaded pins help replace loose tuning pins. 10-String Lyre Harp Strings deliver a resonant tone capable of filling a room. Shorter strings produce higher pitches, and string tension affects tone. Suitable for dulcimer, zither, harpsichord, or harp. Smooth finish prevents hand injuries, offering an enjoyable music experience. A great accessory for musicians of all levels. Ideal for children, adults, bands, and professionals. Makes a thoughtful gift. Material: Metal Color: As shown in photo Package Contents: 1 x Tuning Wrench 10 x Piano Nails 10 x Rivets 1 x 10-String Lyre Harp String Set Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.