Black Walnut-- The base of the Donner guitar wall hanger is made of solid black walnut and the guitar hook hanger is made of sturdy metal steel and soft silicone rubber, which max load 22.05 lbs and protect the guitar. scratches guitar. This design firmly stabilizes your guitars while hanging them, also making your guitar look more noble than other ordinary wall hangings. Durable and Safe Guitar Wall Hanger-- The solid stainless steel keeps instruments stable and secure. Perfectly designed soft rubber sleeve and removable rubber ring to protect guitar surface without damage while keeping everything neat and tidy. Rotatable Design-- Donner guitar hanger is designed to rotate slightly to any desired angle to accommodate non-symmetrical headstocks. Easy to Install-- The guitar hanger bracket is thick but lightweight, and its flexibility saves you time to install it. Two screws and two drywall anchors keep your wall mounts firmly attached to the wall. Widely Used-- A must have for amateurs and professionals alike, and suitable for both home studio environments , bedroom, office and professional. It can be used to adapt to different types of stringed instruments such as guitars, bass, acoustic, violins, mandolins, ukuleles, etc.