Heavy-duty die-cast aluminum construction. This bracket is designed for use on brick walls or concrete and can hold up to 30 lbs With up to 120º of tilt and 180º of swivel, achieve the perfect listening angle by making effortless speaker adjustments Enjoy optimal audio quality anywhere in the room with the Howonder Universal Speaker Wall Mounts. This universal speaker wall mount has a stylish look. Compatible with most speaker brands on the market. You can easily install it in minutes. Package includes: speaker Mount, instructions, and all screws for installation. Perfect for indoor or outdoor use.30 years service life. Service and Guarantee:DAGCUXIN provides a 12-month quality guarantee, if the product has quality problems, please contact us.