The SB-781 is a pair of angled tilt adjustable speaker wall mounts for speaker cabinets with 1-3/8” (35 mm) mounting hole.  They are perfect for stores, restaurants, clubs, theaters, churches and all kinds of commercial applications.  Extremely strong steel construction and rugged design allow the heaviest of speakers to safely hang on the wall, up to 40 kg (88.8 lb).  Features 3 tilt adjustment positions for ideal speaker positioning.  Rod support can be adjusted to 3 different positions out from the wall to perfectly conform to speaker’s depth.  Steel safety pin and chain provided for added security.