These Forgefix Cavity Wall Plugs are manufactured using Zinc alloy and have a specifically designed cutting tip to pierce the plasterboard skin. Cavity Fixing Plugs are an easy to use fixing for plasterboard and hollow wall applications. They are supplied complete with a Pozi compatible screw, and the countersunk head feature on the plug allows flush fitting of the screw to the plasterboard. The screw and fixture can be removed to aid when cleaning and for decoration. Alternative screws can be used if necessary for different fixtures.