ITIS 8 Replacement Hinge PINS Replacement Parts for Monster Beats by Dr. Dre SOLO / SOLO HD / Solo HD Wireless Headphone Headband Compatible for Monster Beats SOLO / SOLO HD / SOLO HD Wireless Headphone ( Not for Monster beats Studio or SOLO 2 ) For loose or missing part of your headphone. Metal pins keep those hinges connected to your headphones Package include: 8 x replacement hinge PINS Made of metal, solid and durable. Fit as well as original. Replacement parts only.