The Metal Speed Plug comes with pozidrive compatible 4.5x35mm round head screws and features a zinc alloy finish for durability. Its specially designed cutting tip easily pierces plasterboard skin, and the screw and fixture can be removed for cleaning and decoration. Ideal for re-fixing into existing plug holes, it has a countersink feature for flush fitting and a flange on the screw head that distributes load. Suitable for most types of hollow walls and plasterboard.