Electrical screws designed to replace those used in standard electrical sockets, blanking plates, switches and pattresses etc. Features:Fastener Material: Mild SteelFastener Plating: NickelScrew Head Style: Flat / Countersunk Head SlottedScrew Length: 50mmBody Plating: NickelDriver Type: SlottedThread Length: 50mmThread Size: M3.5.