Btech BT8421 Flat Wall Bracket Designed for screens up to 55” (139cm) / 35kg (77lbs) Suitable for screens with VESA and non-VESA fixings with universal screen mounting kit including M4, M5, M6 & M8 screws Maximum distance between mounting holes: H:465mm (18.3") x V:400mm (15.7") Compatible with VESA® mounting patterns: 75 x 75mm, 100 x 100mm, 200 x 100mm, 200 x 200mm, 300 x 200mm, 300 x 300mm, 400 x 200mm, 400 x 300mm and 400 x 400mm Low profile design mounts screen only 30mm (1.2”) from wall Locking bar included for secure installation Suitable for concrete/brick or up to 16” stud walls Features ‘OWLS’™ On Wall Levelling System Pro version comes complete with extension arms for mounting larger screens up to 55" (139cm) Simple ‘hook-on’ installation with all mounting hardware included