Secure Mounting for Wood Stud and Concrete: Includes M5 screws for wood studs and anchors for concrete/brick walls. Note: For drywall, use anchors purchased separately if needed Precision Sound Adjustment: Tilt up to 20 degrees and swivel 70 degrees left/right to direct audio precisely to your seating area Stability You Can Trust: Tested to safely hold 3.5kg (e.g., standard satellite speakers). Do not exceed weight limit Easy to install: No need to call a handyman, easy installation in 5 steps with 10 minutes Complete Hardware Included: Contains 4 Cross Recessed Pan Head Screws (M5x12mm) for speakers, 4 Self-Tapping Screws (ST4.2x25mm), and 4 Plastic Wall Anchors (6x25mm). Check your speaker’s thread size before installing