2 Set Musical instrument accessories: 1 Set x String Pin Nails & 1 Set x studs High quality harps end pegs for strong and consistent string fixing. You can use the wrench to adjust the tension of string by using turning clockwise or counterclockwise. Specially designed for tuning guzheng and most machine devices that have quadrilateral openings. , convenient to carry and use, a good helper for musical player. The lyre harp equipped with 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. High quality harps end pegs for strong and consistent string fixing. Made of metal pins, bright finish, no fading, strong hardness.Nickel plated pins with threads. Replace your loose tuning pins. Tuning pins for dulcimer, zither, harpsichord or harps.Smooth, not cut your hands, providing you with a perfect music experience. It is the best gift for children, adults, bands and professionals. Colour:Silver+wood+Gold Material:Wood + metal Package Contents: 20 x String Pin Nails 20 x Rivet 7 x studs 1 x tuning wrench 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.