Monoprice Low Profile 22 lb. Capacity Speaker Wall Mount Brackets (Pair) Black Set comes with two wall mount brackets for speakers weighing up to 22 lbs each Each bracket is a two-piece unit | All necessary mounting hardware is included. Speaker brackets feature a ball jointed 1/4"x20 threaded screw. A keyhole to 1/4"x20 adapter is included for use with speakers that lack a native 1/4"x20 mounting point. Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.