Hollow wall anchor: 1) Size: M4, M5, M6, M8 2) Dia: 8mm, ... -16827M8*651214-32845M8*801228-45 Hollow wall anchors securely fasten mirrors, pictures, cabinets, curtain-drapes-shelf brackets, bathroom fixtures, to hollow walls ... be removed or replaced for redecorating without disturbing the hollow wall anchors.