Wrench set quickly removes and installs fan clutches when repairing or replacing the water pump, timing chain or the fan clutch. Set includes handle assembly, driving wrenches sizes: 1-9/16�, 1-7/8�, 1-1/2�, 2�, 32mm, 36mm, 41mm, and 42mm. Use with an air hammer. Blow molded case included.