Plasplugs heavy duty high performance original wall plugs which are designed for making larger or heavier fixings into brick or blockwork and masonry suitable for concrete brick breeze block and stone the plugs feature multi action grips expanding barrels barbed jaws and anti rotate ribs typical applications shelving curtain poles lighting hooks and brackets pictures and mirrors accept screw sizes 8 10 12 and 14 45mm 7mm drill size 7mm