Toggler's new improved plastic toggle wall anchor with it's patented enhancements provides secure holding power for light and medium loads in all walls.Designed for optimum holding in hollow walls such as drywall and gypsum board, the anchor locks on walls and ceilings in its grip range for vibration-proof holding. That's why it's holding up the sprinkler system in the Tokyo subway!City officials wanted to make sure that the sprinklers would stay up during an earthquake. The anchor also holds securely and functions as a wedge anchor when it encounters a wall thicker than it's grip range. It functions as an expansion anchor in solid walls and in wooden studs.Toggler Anchor Systems