Specification Item Type: Guitar Head Clip Material: Metal, Foam, ABS, Rubber Package List 1 x Guitar Head Clip 1 x Extension Block Sturdy And Durable: This guitar head clip is made of excellent quality metal, foam, ABS, and rubber for superior durability, strength, and lightweight design, making it your best choice. Good Compatibility: This guitar head phone holder mount is well adapted to fit cell phones with a width of 6.5 cm to 10 cm and works with most makes and models. Multifunctional: This bass head phone holder is multifunctional and can be clipped to a guitar and other instruments, clipped to a desk at work or home, and read recipes in your kitchen. 360° Rotation: The mounting base of this guitar head phone holder features a ball head that rotates 360°, allowing you to adjust the angle to your liking. Easy To Use: This guitar headstock cell phone clamp is very easy to use, it can securely hold anything, including tables, rods, guitar heads, cribs and more.