Simpson Strong Tie SWZ08L-R100 Sure Wall Drywall Anchor Zinc #8 by 1-1/4" (100 per Box) Self-drilling: only a screwdriver needed for installation in gypsum board Drywall Standard sure wall can be used as a fastener in fixtures with sufficiently large holes All designs maximize the load-carrying capacity of gypsum Drywall New designs include screws with the anchors Die-cast Zinc