Toggler, 100 pack, 5/8"-3/4, tc hollow wall anchors, 3 keys in the box, 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, hollow doors or thin panels, any type wood, sheet metal, or stainless steel & size of screw from #6 through #14.