Fully Adjustable Fuel Pump/Tank Spanner Wrench fits most plastic retaining rings and adjusts from 2 3/4-inch to 7 1/2-inch (70mm to 190.5mm). Removes and installs the fuel pump retaining ring that holds the fuel pump module onto the gas tank, the wrench easily engages in the ridges around a threaded locking collar that secures the fuel pump to the top of the tank.