This D&B Audiotechnik Z5426.000 44S Swivel Bracket is perfect for professional audio installers and enthusiasts. It has a tie bar with a center M10 threaded insert and two M8 threaded inserts 100 mm apart. It can be mounted on speaker stands with a 35 mm tube diameter using the d&b Z5034 Stand adapter M10. Or you can vertically fly it from overhead bars or truss with a tube diameter up to 55 mm using the d&b E6532 Super clamp along with the d&b E6533 Adapter M10. For a tube diameter of up to 70 mm, you can use the d&b Z5029 TV spigot M10 together with the d&b Z5012 Pipe clamp. You can also vertically fly it using appropriate steel wires together with two d&b Q9031 Safety eyebolts M8 attached to the outer M8 threaded inserts of the tie bar.