The MK PF133BLK is a black, 13A, heavy duty, three pin, rubber plug. It comes fitted with a 13A fuse. The Duraplug range from MK is a selection of heavy duty products that are famous for their strength, durability and reliability. Within the range there are rubber covered plugs, safety extension leads, cable couplers, lead connectors and trailing sockets. All items in the range are made from top quality, high impact resistant materials such as ABS/polycarbonate and rubber. · · · Rubber body · · Colour coded sleeves on the pins · · 13A fuse included