HANGMAN KSH4 Products Speaker & Bar Hanging Kit, 30"-100" Hangs Speakers Or Speaker Bars With Single Or Double Keyholes Self-drilling Bear claw Hangers Hang Keyholes In Seconds Locators Mark Walls For Accurate Installation Friction Bumpers Minimize Vibration & Keep Speakers Straight Holds 30lbs In Drywall & 100lbs In Wood