The Plasplugs Originals Brown Wall Plugs are a dependable choice for heavy-duty fixings in both internal and external applications. Designed with a multi-action grip and anti-rotate ribs, these versatile plugs deliver secure installation in solid walls, making them ideal for shelving, curtain poles, and other demanding tasks. Pack of 50. 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. Screw Type: No.8-14 (4.5-7mm). Drill Bit: 7mm.