Usage Tips:The lyre harp equipped with durable metal strings Pin Nails and rivets. Using high-quality metal strings material, it is clear and beautiful without hurting your hands and easy to tune. Tuning Wrench: You can use the wrench to adjust the tension of string by using turning clockwise or counterclockwise. High quality harps end pegs for strong and string fixing.Made of metal pins, finish, no fading, strong hardness.Nickel plated pins with threads. Replace your loose tuning pins. Tuning pins for dulcimer, zither, harpsichord or harps.Smooth, will not cut your hands, providing you with a perfect music experience. A nice accessory for your dulcimer, zither, harpsichord or harps to use.It is the best gift for children, adults, bands and professionals. Colour: wood color + silver + gold Material: metal Package Contents: 1 * Tuning wrench 20 * String Pin Nails 20 * Rivet Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.