Size information: Guitar Wall Hanger measures approx 8.2 cm x 18 cm (3.23 in x 7.09 in); opening width is 5.7 cm (2.24 in). Secure curved hook design: The upward curved hook keeps your guitar securely in place once hung, helping prevent accidental falls. This design also adds an elegant touch to your space. Easy installation options: The hanger includes sticky along with anti auxiliary stickers for easy installation without damaging walls. The product is designed to support both drilled and non drilled installation. Versatile compatibility and performance: This hook is designed to accommodate both guitars and ukuleles, offering flexibility with options for drilled and non drilled installation. Use scenarios: In a home studio or living room to save floor space and keep instruments within easy reach. In a music lesson room or practice space to organize multiple instruments for students or band members. In small venues, rehearsal spaces, or backstage areas where quick, damage wall mounting is advantageous.