Toggler Snaptoggle, 100 Pack, 3/16"-24", BA Hollow Wall Anchors, Replace Old Fashioned Toggle Wings, Strongest Bolts & Requires The Smallest Hole, Can Be Pre-Installed Without Using A Bolt & Won't Fall Behind The Wall When The Bolt Is Removed, Solid Metal Channel Centers The Bolt Which Cannot Sag, Will Not Damage Or Break Through The Wall Even Under Vibration.