Toggler, 5 pack, 3/8"-1/2", tb hollow wall anchors with screws, patented mechanism provides secure holding power for light & medium loads, key activated locking action makes the anchor a rigid, weight distributing truss in hollow walls, providing maximum security in the smallest possible hole, can be used in drywall or plaster walls & in hollow doors or thin panels, accepts any type wood, sheet metal, or stainless steel & size of screw from #6 through #14.