The lyre harp features metal strings, pins, rivets, and a 10-string design. Made with high-quality metal materials, it produces clear and beautiful tones without harming your hands and is 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 fixation. Constructed from metal pins with a bright 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, corresponding with increased string tension. Suitable for use with dulcimer, zither, harpsichord, or harp. Smooth surface design prevents hand injuries, offering an enjoyable musical experience. A great accessory for dulcimer, zither, harpsichord, or harp players. Ideal gift choice for children, adults, bands, and professionals. Material: Metal Color: As shown in picture 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 allows an error of +/- 1-3 cm.