Material: The mount bracket is made from tough materials to promise steady clinging to the support. You can be assured that it won't fall off easily. Installation: Just press the brackets onto the wall and put screws into the holes and get it steady on the wall. Super easy ways to install. Compatible with for following LG Sound bar models: For LG sound bar SSH4 SJ4R SJ4Y SJ4 SJ2 SK4D SJ5B SH8 SJ8S SH5 HS7 SJ6 LAS455H NB5540/S54A1-D NB4540/S44A1-D NB4542DEUSLLF LAS551H S55A1-D LASC55, not for all LG Sound bar. note: Different batches may have slight color differences or differences in the actual product, which does not affect use. Material: Metal colour: Black Package Contents: 2 x bracket 1 pack mounting 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.