Ultra compact, magnetic sockets designed to be used with any 13 mm wrench. Can be used to remove and install oil drain/fill plugs in tight spaces. A stronger magnet keeps the socket firmly connected to the wrench, while a smaller magnet on the allen side keeps drain/fill plugs connected to the socket. Contains: (Qty.) (1) 14 mm Allen Socket, (1) 12 mm Allen Socket, (1) 10 mm Allen Socket, (1) 8 mm Allen Socket, (1) Plastic Case.