The hook opening is adjustable, making it suitable for various guitars and other musical instruments of different sizes. It is wrapped in sponge to effectively protect your instrument from damage. Equipped with a 3.6mm diameter metal frame, it offers strong load-bearing capacity, ensuring durability. Double rivets provide secure fixation, preventing the frame from detaching. Includes expansion screws for easy and stable installation, ensuring a firm hold. Item Name: Guitar Hook Material: Metal, Sponge, Plastic Applicable Models: Acoustic Guitar, Electric Guitar, Bass, Ukulele, etc. Features: Adjustable, Soft Sponge, High Load Capacity, Stable, Easy to Install Size: 13cm x 8.5cm x 6.8cm / 5.12" x 3.35" x 2.68" (Approx.) Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 1 x Guitar Hook 2 x Screw Covers 2 x Screws