B-Tech BT77 Ultragrip Pro Speaker Mount, Set of 2, Side Clamp with Tilt and Swivel, Black The original and best made side clamping speaker mount, do not accept imitations Adjustable clamp fits speakers from 135mm (5.3") to 280mm (11") wide Mounts will tilt up to 7Degree and rotate up to 180Degree for perfect speaker placement and acoustics Simple installation with all hardware included to mount on stud, concrete or brick / stone walls. No visible wall screws Works with most speakers including curved front type Wall cover included for neat looking installation