Lisle 37300 Fuel and AC Disconnect Pliers Use with 5/16 inches, 3/8 inches or 1/2 inches adapters from the Lisle 37000 or 39400 disconnect tool sets The pliers can also be used to reconnect stubborn lines or connections that are in hard-to-reach areas Features a unique design providing extra leverage when disconnecting quick connect coupling air conditioning and fuel lines