Plasterboard <. Perfectly suited for drywall, plaster walls, and hollow doors with a thickness of 0.12" to 1.52" (3-38mm). Thin drywall (0.12" - 1.52" thickness). 30 heavy-duty molly bolts in 6 sizes: M4x32mm, M4x46mm, M5x37mm, M5x65mm, M6x52mm, M6x65mm.
eBay