The lyre harp features metal strings, pins, rivets, and a 10-string lyre harp design. Made with high-quality metal materials, it produces a clear and beautiful sound, is gentle on the hands, and is easy to tune. Tuning Wrench: Use the wrench to adjust string tension by turning clockwise or counterclockwise. Ensures stable tuning, excellent sound quality, and resistance to moisture and rust. High-quality harp end pegs provide strong and consistent string fixation. Constructed from metal pins with a bright, non-fading finish and high hardness. Nickel-plated threaded pins help replace loose tuning pins. 10-string lyre harp strings produce a resonant tone that fills a room. Shorter strings yield higher pitches, and string tension affects tone. Suitable for dulcimer, zither, harpsichord, or harp. Smooth finish prevents hand injuries, delivering a superior music experience. A great accessory for musical instruments and an ideal gift for children, adults, and musicians. 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 Strings 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.