The Ramset Gold/White Nylon Anchor is suitable for electrical fitting, sign and pipe/conduit saddle installation. It features carbon steel construction and zinc-plated finish for excellent corrosion resistance. The pin drives into nylon sleeve providing friction hold against the wall of the hole. This mushroom headed anchor measures 5 mm Dia x 25 mm.It has maximum fixture thickness of 5 mm. This anchor offers quick and easy to installation. Nylon body offers insulation between drive screw and work surface. It can be hammered all the way into the hole without any pre-expansion.