This item is almost unused, as it didn't fit my TV. I only tried to install it partially. I plan to ship it via Yu-Yu Mercari. The following is quoted from the product description: Easy to install on the back of your TV! Effectively utilizes the space above your slim TV. Convenient for placing small items around your TV, such as smart speakers (AI speakers), remote controls, recording HDDs, and game peripherals. Compatible with VESA mounting screw holes on the back of slim TVs. Neatly stores routers, external HDD power strips, etc., all in one place above the TV. You can store items above the TV, allowing you to neatly organize the area around your TV. For storing routers, HDDs, and game peripherals. Product size: Approximately W40 x D12 x H35.5cm Product weight: Approximately 900g Quality indication: Body: Steel (powder coating) Mat: Silicone Weight capacity: Approximately 2kg TV height: 35cm or more TV back screw hole pitch: Horizontal 5-35cm, Vertical 5-30cm (2.5cm intervals) Compatible with VESA standards, suitable for 19-inch to 40-inch slim TVs. Accessories: TV back fixing screws (M4 x 10mm, M4 x 15mm, M6 x 10mm, M6 x 15mm, M8 x 15mm, M8 x 20mm) x 4 each, M4 screw washers x 4, Hex wrench Remarks: Assembly required