Product: Metal Square Slot Wall Guitar Iron Hooks (2 Packs) Size: 11 x 5 x 8.6cm Scope of application: adults, children Material: metalandprotective sponge Color: Black Function introduction: The hook is made of metal, and the base is fixed with four-corner expansion screws. It has good stability and is safe to use. It is wrapped with high-density sponge, which can effectively prevent the impact generated during the hanging of musical instruments. It is wear-resistant and durable, safe and environmentally friendly. Easy to install Simple and convenient, with a wide range of applications, suitable for guitar, violin, bass, ukulele, and other instruments Package Contents: 2 x hooks 8 x expansion screws Only the above package content, other products are not included. Note: Light reflection 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.