VideoSecu 4 Packs Satellite Surround Sound Wall Ceiling Speaker Mount Home Theater Brackets BJT Thread size: 1/4" 20 thread, or 4mm, 5mm. Fits key hole mounting Adjustable +/-30 degree tilt, 180 degree pan and 360 degree rotation Fit most speakers weighing up to 10lbs (4.5 kg). Ideal for mounting home theater satellite speakers on wall or ceiling Standard hardware pack included. Black color